ICD-9-CM Diagnosis Code 136.9 : Unspecified infectious and parasitic diseases

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2015 ICD-9-CM Diagnosis Code 136.9

Unspecified infectious and parasitic diseases

2015
Billable Thru Sept 30/2015
Non-Billable On/After Oct 1/2015

ICD-9-CM 136.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 136.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).

Convert to ICD-10-CM: 136.9 converts approximately to:

2015/16 ICD-10-CM B89 Unspecified parasitic disease
Or:
2015/16 ICD-10-CM B99.9 Unspecified infectious disease

Approximate Synonyms

Acute disseminated encephalomyelitis
Acute disseminated postinfectious encephalitis
Acute hemorrhagic leukoencephalitis
Acute infectious disease
Acute infective bronchitis
Acute infective cystitis
Acute infective exacerbation of chronic obstructive airways disease
Acute infective tracheobronchitis
Acute pancreatitis due to infection
Allergic dermatitis due to bite of Ctenocephalides felis
Anemia due to infection
Arteriovenous fistula infection
Arthritis due to parasitic infection
Arthropathy associated with infection
Arthropathy of lower leg due to parasitic disease
Arthropathy of lower leg due to parasitic infection
Arthropathy, lower leg, due to parasitic disease
Bacterial endophthalmitis
Blastomycosis-like pyoderma
Bone fixation device infection
Bone marrow transplant infection
Chronic granulomatous infection due mostly to Staphylococcus aureus
Chronic infectious disease
Clinical infection
Congenital arteriovenous fistula infection
Cross infection
Dermatophilosis due to Dermatophilus congolensis
Dilated cardiomyopathy secondary to fungal myocarditis
Dilated cardiomyopathy secondary to infection
Disease caused by parasite
Dust-borne infectious disease
Enanthematous infectious disease
Encephalitis, acute disseminated
Encephalitis, postinfectious
Encephalomyelitis, post infectious
Encephalomyelitis, postinfectious
Epidemic disease
Fomite transmitted infectious disease
Fungal infection of cerebrum
Hakuri
Halzoun
Healthcare associated infectious disease
Heart transplant infection
Heart-lung transplant infection
Herpetosoma
Human immunodeficiency virus disease resulting in multiple infections
Human immunodeficiency virus infection with secondary clinical infectious disease
Hydatidosis myositis
Ill-defined infectious disease
Immunosuppression related infection
Immunosuppression-related infectious disease
Infected bunion
Infected olecranon bursa
Infection - non-suppurative
Infection - suppurative
Infection by Alaria
Infection by Amidostomum
Infection by Hexamita
Infection by Nosema apis
Infection by Raillietina
Infection by site
Infection due to antimicrobial resistant virus
Infection due to bone marrow transplantation
Infection of bloodstream
Infection of foot associated with diabetes
Infection of heart transplant
Infection of heart-lung transplant
Infection of intestinal transplant
Infection of liver transplant
Infection of lung transplant
Infection of obstetric surgical wound
Infection of organ transplant
Infection of prepatellar bursa
Infection of soft tissue of cervical spine
Infection of soft tissue of lumbar spine
Infection of soft tissue of thoracic spine
Infection of tick bite
Infection of uncertain etiology
Infection of wound hematoma
Infection resistant to cephalosporins
Infection with bacteria resistant to beta-lactam drug
Infection with microorganisms resistant to cephalosporins and other beta lactams
Infection, immunosuppression related
Infection, undetermined cause
Infection, undetermined etiology
Infectious arthritis of temporomandibular joint
Infectious disease
Infectious disease of abdomen
Infectious disease of brain
Infectious disease of heart
Infectious granuloma
Infectious hemopoietic necrosis
Infectious peritonitis
Infective arthritis of joint of hand
Infective arthritis of shoulder region
Infective blepharitis
Infective corneal ulcer
Infective disorder of head
Infective endocarditis
Infective panniculitis
Infective proctitis
Infective urethritis
Inflammation of skin due to parasite
Intestine transplant infection
Liver disorder due to infection
Liver transplant infection
Localized infection
Lung transplant infection
Masked infection
Mixed infectious disease
Multi-organism infectious disease
Musculoskeletal infective disorder
Myocarditis due to infectious agent
Necrotizing soft tissue infection
Necrotizing vasculitis secondary to infection
Neuropathy due to infection
Neutropenia associated with infectious disease
Non-intestinal flagellate infection
Nosocomial infectious disease
Opportunistic infectious disease
Organ transplant infection
Parasitic chorioretinitis
Parasitic choroiditis
Parasitic disease
Parasitic encephalitis
Parasitic eye infection
Parasitic infection of the central nervous system
Parasitic infestation of orbit
Parasitic myocarditis
Parasitic pericarditis
Parasitic peritonitis
Parvovirus infection of the central nervous system
Pelvic peritonitis following molar AND/OR ectopic pregnancy
Perinatal jaundice from infection
Persistent infection
Placenta infected
Pneumonia due to parasitic infestation
Postinfectious encephalitis
Post-infectious encephalitis
Postinfectious encephalitis, acute disseminated
Postinfectious encephalomyelitis
Post-infectious encephalomyelitis
Postinfectious myelitis
Post-infective myelitis
Protothecosis
Secondary infection
Seizures complicating infection
Seizures complicating infection in the newborn
Sexually acquired reactive arthropathy of multiple sites
Sexually acquired reactive arthropathy of the ankle and/or foot
Sexually acquired reactive arthropathy of the forearm
Sexually acquired reactive arthropathy of the hand
Sexually acquired reactive arthropathy of the lower leg
Sexually acquired reactive arthropathy of the pelvic region and thigh
Sexually acquired reactive arthropathy of the shoulder region
Sexually acquired reactive arthropathy of the upper arm
Site-specific pyogenic infection of skin and subcutis
Soft tissue infection
Spontaneous abortion with pelvic peritonitis
Subacute infectious disease
Subclinical infection
Superimposed infection
Therapy failure due to antibiotic resistance
Thyroid infection
Tissue transplant infection
Types of infections
Urethral stricture due to infection

Clinical Information

A disorder resulting from the presence and activity of a microbial, viral, or parasitic agent. It can be transmitted by direct or indirect contact
A disorder resulting from the presence and activity of a microbial, viral, or parasitic agent. It can be transmitted by direct or indirect contact. (nci)
Broad class of diseases whose causative agents may be passed between individuals in many different ways
Infections or infestations with parasitic organisms; they are often contracted through contact with an intermediate vector, but may occur as the result of direct exposure
Invasion and multiplication of germs in the body. Infections can occur in any part of the body, and can be localized or systemic (spread throughout the body). The germs may be bacteria, viruses, yeast, or fungi. They can cause a fever and other problems, depending on the site of the infection. When the body's natural defense system is strong, it can often fight the germs and prevent infection. Cancer treatment can weaken the natural defense system

Applies To

Infectious disease NOS
Parasitic disease NOS

ICD-9-CM Volume 2 Index entries containing back-references to 136.9:

Cyst (mucus) (retention) (serous) (simple)
- parasitic NEC 136.9
Disease, diseased - see also Syndrome
- epidemic NEC 136.9
- infective NEC 136.9
- parasitic NEC 136.9
  - cerebral NEC 123.9
  - intestinal NEC 129
  - mouth 112.0
  - skin NEC 134.9
  - specified type - see Infestation
  - tongue 112.0
Fever 780.60
- infective NEC 136.9
Granuloma NEC 686.1
- infectious NEC 136.9
Infection, infected, infective (opportunistic) 136.9
- with
  - influenza viruses occurring in pigs or other animals - see Influenza, due to identified, novel influenza A virus
  - lymphangitis - see Lymphangitis
- abortion - see Abortion, by type, with, sepsis
- abscess (skin) - see Abscess, by site
- Absidia 117.7
- acanthamoeba 136.21
- Acanthocheilonema (perstans) 125.4
  - streptocerca 125.6
- accessory sinus (chronic) (see also Sinusitis) 473.9
- Achorion - see Dermatophytosis
- Acremonium falciforme 117.4
- acromioclavicular (joint) 711.91
- actinobacillus
  - lignieresii 027.8
  - mallei 024
  - muris 026.1
- actinomadura - see Actinomycosis
- Actinomyces (israelii) - see also Actinomycosis
  - muris-ratti 026.1
- Actinomycetales (actinomadura) (Actinomyces) (Nocardia) (Streptomyces) - see Actinomycosis
- actinomycotic NEC (see also Actinomycosis) 039.9
- adenoid (chronic) 474.01
  - acute 463
  - and tonsil (chronic) 474.02
    - acute or subacute 463
- adenovirus NEC 079.0
  - in diseases classified elsewhere - see category 079
  - unspecified nature or site 079.0
- Aerobacter aerogenes NEC 041.85
  - enteritis 008.2
- aerogenes capsulatus (see also Gangrene, gas) 040.0
- aertrycke (see also Infection, Salmonella) 003.9
- ajellomyces dermatitidis 116.0
- alimentary canal NEC (see also Enteritis, due to, by organism) 009.0
- Allescheria boydii 117.6
- Alternaria 118
- alveolus, alveolar (process) (pulpal origin) 522.4
- ameba, amebic (histolytica) (see also Amebiasis) 006.9
  - acute 006.0
  - chronic 006.1
  - free-living 136.29
  - hartmanni 007.8
  - specified
    - site NEC 006.8
    - type NEC 007.8
- amniotic fluid or cavity 658.4
  - affecting fetus or newborn 762.7
- anaerobes (cocci) (gram-negative) (gram-positive) (mixed) NEC 041.84
- anal canal 569.49
- Ancylostoma braziliense 126.2
- angiostrongylus cantonensis 128.8
- anisakiasis 127.1
- Anisakis larva 127.1
- anthrax (see also Anthrax) 022.9
- antrum (chronic) (see also Sinusitis, maxillary) 473.0
- anus (papillae) (sphincter) 569.49
- arbor virus NEC 066.9
- arbovirus NEC 066.9
- argentophil-rod 027.0
- Ascaris lumbricoides 127.0
- ascomycetes 117.4
- Aspergillus (flavus) (fumigatus) (terreus) 117.3
- atypical
  - acid-fast (bacilli) (see also Mycobacterium, atypical) 031.9
  - mycobacteria (see also Mycobacterium, atypical) 031.9
- auditory meatus (circumscribed) (diffuse) (external) (see also Otitis, externa) 380.10
- auricle (ear) (see also Otitis, externa) 380.10
- axillary gland 683
- Babesiasis 088.82
- Babesiosis 088.82
- Bacillus NEC 041.89
  - abortus 023.1
  - anthracis (see also Anthrax) 022.9
  - cereus (food poisoning) 005.89
  - coli - see Infection, Escherichia coli
  - coliform NEC 041.85
  - Ducrey's (any location) 099.0
  - Flexner's 004.1
  - Friedländer's NEC 041.3
  - fusiformis 101
  - gas (gangrene) (see also Gangrene, gas) 040.0
  - mallei 024
  - melitensis 023.0
  - paratyphoid, paratyphosus 002.9
    - A 002.1
    - B 002.2
    - C 002.3
  - Schmorl's 040.3
  - Shiga 004.0
  - suipestifer (see also Infection, Salmonella) 003.9
  - swimming pool 031.1
  - typhosa 002.0
  - welchii (see also Gangrene, gas) 040.0
  - Whitmore's 025
- bacterial NEC 041.9
  - specified NEC 041.89
    - anaerobic NEC 041.84
    - gram-negative NEC 041.85
      - anaerobic NEC 041.84
- Bacterium
  - paratyphosum 002.9
    - A 002.1
    - B 002.2
    - C 002.3
  - typhosum 002.9
- Bacteroides (fragilis) (melaninogenicus) (oralis) NEC 041.82
- balantidium coli 007.0
- Bartholin's gland 616.89
- Basidiobolus 117.7
- Bedsonia 079.98
  - specified NEC 079.88
- bile duct 576.1
- bladder (see also Cystitis) 595.9
- Blastomyces, blastomycotic 116.0
  - brasiliensis 116.1
  - dermatitidis 116.0
  - European 117.5
  - loboi 116.2
  - North American 116.0
  - South American 116.1
- bleb
  - postprocedural 379.60
    - stage 1 379.61
    - stage 2 379.62
    - stage 3 379.63
- blood stream - see also Septicemia
  - catheter-related (CRBSI) 999.31
  - central line-associated (CLABSI) 999.32
  - due to central venous catheter 999.32
- bone 730.9
  - specified - see Osteomyelitis
- Bordetella 033.9
  - bronchiseptica 033.8
  - parapertussis 033.1
  - pertussis 033.0
- Borrelia
  - bergdorfi 088.81
  - vincentii (mouth) (pharynx) (tonsil) 101
- bovine stomatitis 059.11
- brain (see also Encephalitis) 323.9
  - late effect - see category 326
  - membranes - (see also Meningitis) 322.9
  - septic 324.0
    - late effect - see category 326
    - meninges (see also Meningitis) 320.9
- branchial cyst 744.42
- breast 611.0
  - puerperal, postpartum 675.2
    - with nipple 675.9
      - specified type NEC 675.8
    - nonpurulent 675.2
    - purulent 675.1
- bronchus (see also Bronchitis) 490
  - fungus NEC 117.9
- Brucella 023.9
  - abortus 023.1
  - canis 023.3
  - melitensis 023.0
  - mixed 023.8
  - suis 023.2
- Brugia (Wuchereria) malayi 125.1
- bursa - see Bursitis
- buttocks (skin) 686.9
- Candida (albicans) (tropicalis) (see also Candidiasis) 112.9
  - congenital 771.7
- Candiru 136.8
- Capillaria
  - hepatica 128.8
  - philippinensis 127.5
- cartilage 733.99
- cat liver fluke 121.0
- catheter-related bloodstream (CRBSI) 999.31
- cellulitis - see Cellulitis, by site
- central line-associated 999.31
  - bloodstream 999.32
- Cephalosporum falciforme 117.4
- Cercomonas hominis (intestinal) 007.3
- cerebrospinal (see also Meningitis) 322.9
  - late effect - see category 326
- cervical gland 683
- cervix (see also Cervicitis) 616.0
- cesarean section wound 674.3
- Chilomastix (intestinal) 007.8
- Chlamydia 079.98
  - specified NEC 079.88
- Cholera (see also Cholera) 001.9
- chorionic plate 658.8
- Cladosporium
  - bantianum 117.8
  - carrionii 117.2
  - mansoni 111.1
  - trichoides 117.8
  - wernecki 111.1
- Clonorchis (sinensis) (liver) 121.1
- Clostridium (haemolyticum) (novyi) NEC 041.84
  - botulinum 005.1
  - histolyticum (see also Gangrene, gas) 040.0
  - oedematiens (see also Gangrene, gas) 040.0
  - perfringens 041.83
    - due to food 005.2
  - septicum (see also Gangrene, gas) 040.0
  - sordellii (see also Gangrene, gas) 040.0
  - welchii (see also Gangrene, gas) 040.0
    - due to food 005.2
- Coccidioides (immitis) (see also Coccidioidomycosis) 114.9
- coccus NEC 041.89
- colon (see also Enteritis, due to, by organism) 009.0
  - bacillus - see Infection, Escherichia coli
- colostomy or enterostomy 569.61
- common duct 576.1
- complicating pregnancy, childbirth, or puerperium NEC 647.9
  - affecting fetus or newborn 760.2
- Condiobolus 117.7
- congenital NEC 771.89
  - Candida albicans 771.7
  - chronic 771.2
  - Cytomegalovirus 771.1
  - hepatitis, viral 771.2
  - herpes simplex 771.2
  - listeriosis 771.2
  - malaria 771.2
  - poliomyelitis 771.2
  - rubella 771.0
  - toxoplasmosis 771.2
  - tuberculosis 771.2
  - urinary (tract) 771.82
  - vaccinia 771.2
- coronavirus 079.89
  - SARS-associated 079.82
- corpus luteum (see also Salpingo-oophoritis) 614.2
- Corynebacterium diphtheriae - see Diphtheria
- cotia virus 059.8
- Coxsackie (see also Coxsackie) 079.2
  - endocardium 074.22
  - heart NEC 074.20
  - in diseases classified elsewhere - see category 079
  - meninges 047.0
  - myocardium 074.23
  - pericardium 074.21
  - pharynx 074.0
  - specified disease NEC 074.8
  - unspecified nature or site 079.2
- Cryptococcus neoformans 117.5
- Cryptosporidia 007.4
- Cunninghamella 117.7
- cyst - see Cyst
- Cysticercus cellulosae 123.1
- cystostomy 596.83
- cytomegalovirus 078.5
  - congenital 771.1
- dental (pulpal origin) 522.4
- deuteromycetes 117.4
- Dicrocoelium dendriticum 121.8
- Dipetalonema (perstans) 125.4
  - streptocerca 125.6
- diphtherial - see Diphtheria
- Diphyllobothrium (adult) (latum) (pacificum) 123.4
  - larval 123.5
- Diplogonoporus (grandis) 123.8
- Dipylidium (caninum) 123.8
- Dirofilaria 125.6
- dog tapeworm 123.8
- Dracunculus medinensis 125.7
- Dreschlera 118
  - hawaiiensis 117.8
- Ducrey's bacillus (any site) 099.0
- due to or resulting from
  - central venous catheter (see also Complications, due to, catheter, central venous) 999.31
    - bloodstream 999.32
    - localized 999.33
  - device, implant, or graft (any) (presence of) - see Complications, infection and inflammation, due to (presence of) any device, implant, or graft classified to 996.0-996.5 NEC
  - injection, inoculation, infusion, transfusion, or vaccination (prophylactic) (therapeutic) 999.39
    - blood and blood products
      - acute 999.34
  - injury NEC - see Wound, open, by site, complicated
  - surgery 998.59
- duodenum 535.6
- ear - see also Otitis
  - external (see also Otitis, externa) 380.10
  - inner (see also Labyrinthitis) 386.30
  - middle - see Otitis, media
- Eaton's agent NEC 041.81
- Eberthella typhosa 002.0
- Ebola 078.89
- echinococcosis 122.9
- Echinococcus (see also Echinococcus) 122.9
- Echinostoma 121.8
- ECHO virus 079.1
  - in diseases classified elsewhere - see category 079
  - unspecified nature or site 079.1
- Ehrlichiosis 082.40
  - chaffeensis 082.41
  - specified type NEC 082.49
- Endamoeba - see Infection, ameba
- endocardium (see also Endocarditis) 421.0
- endocervix (see also Cervicitis) 616.0
- Entamoeba - see Infection, ameba
- enteric (see also Enteritis, due to, by organism) 009.0
- Enterobacter aerogenes NEC 041.85
- Enterobacter sakazakii 041.85
- Enterobius vermicularis 127.4
- enterococcus NEC 041.04
- enterovirus NEC 079.89
  - central nervous system NEC 048
  - enteritis 008.67
  - meningitis 047.9
- Entomophthora 117.7
- Epidermophyton - see Dermatophytosis
- epidermophytosis - see Dermatophytosis
- episiotomy 674.3
- Epstein-Barr virus 075
  - chronic 780.79 [139.8]
- erysipeloid 027.1
- Erysipelothrix (insidiosa) (rhusiopathiae) 027.1
- erythema infectiosum 057.0
- Escherichia coli (E. coli) 041.49
  - enteritis - see Enteritis, E. coli
  - generalized 038.42
  - intestinal - see Enteritis, E. coli
  - non-Shiga toxin-producing 041.49
  - Shiga toxin-producing (STEC) 041.43
    - with
      - unspecified O group 041.43
    - non-O157 (with known O group) 041.42
    - O157 (with confirmation of Shiga toxin when H antigen is unknown, or is not H7) 041.41
    - O157:H- (nonmotile) with confirmation of Shiga toxin 041.41
    - O157:H7 with or without confirmation of Shiga toxin-production 041.41
    - specified NEC 041.42
- esophagostomy 530.86
- ethmoidal (chronic) (sinus) (see also Sinusitis, ethmoidal) 473.2
- Eubacterium 041.84
- Eustachian tube (ear) 381.50
  - acute 381.51
  - chronic 381.52
- exanthema subitum (see also Exanthem subitum) 058.10
- exit site 999.33
- external auditory canal (meatus) (see also Otitis, externa) 380.10
- eye NEC 360.00
- eyelid 373.9
  - specified NEC 373.8
- fallopian tube (see also Salpingo-oophoritis) 614.2
- fascia 728.89
- Fasciola
  - gigantica 121.3
  - hepatica 121.3
- Fasciolopsis (buski) 121.4
- fetus (intra-amniotic) - see Infection, congenital
- filarial - see Infestation, filarial
- finger (skin) 686.9
  - abscess (with lymphangitis) 681.00
    - pulp 681.01
  - cellulitis (with lymphangitis) 681.00
  - distal closed space (with lymphangitis) 681.00
  - nail 681.02
    - fungus 110.1
- fish tapeworm 123.4
  - larval 123.5
- flagellate, intestinal 007.9
- fluke - see Infestation, fluke
- focal
  - teeth (pulpal origin) 522.4
  - tonsils 474.00
    - and adenoids 474.02
- Fonsecaea
  - compactum 117.2
  - pedrosoi 117.2
- food (see also Poisoning, food) 005.9
- foot (skin) 686.9
  - fungus 110.4
- Francisella tularensis (see also Tularemia) 021.9
- frontal sinus (chronic) (see also Sinusitis, frontal) 473.1
- fungus NEC 117.9
  - beard 110.0
  - body 110.5
  - dermatiacious NEC 117.8
  - foot 110.4
  - groin 110.3
  - hand 110.2
  - nail 110.1
  - pathogenic to compromised host only 118
  - perianal (area) 110.3
  - scalp 110.0
  - scrotum 110.8
  - skin 111.9
    - foot 110.4
    - hand 110.2
  - toenails 110.1
  - trachea 117.9
- Fusarium 118
- Fusobacterium 041.84
- gallbladder (see also Cholecystitis, acute) 575.0
- Gardnerella vaginalis 041.89
- gas bacillus (see also Gas, gangrene) 040.0
- gastric (see also Gastritis) 535.5
- Gastrodiscoides hominis 121.8
- gastroenteric (see also Enteritis, due to, by organism) 009.0
- gastrointestinal (see also Enteritis, due to, by organism) 009.0
- gastrostomy 536.41
- generalized NEC (see also Septicemia) 038.9
- genital organ or tract NEC
  - female 614.9
    - with
      - abortion - see Abortion, by type, with sepsis
      - ectopic pregnancy (see also categories 633.0-633.9) 639.0
      - molar pregnancy (see also categories 630-632) 639.0
    - complicating pregnancy 646.6
      - affecting fetus or newborn 760.8
    - following
      - abortion 639.0
      - ectopic or molar pregnancy 639.0
    - puerperal, postpartum, childbirth 670.8
      - minor or localized 646.6
        affecting fetus or newborn 760.8
  - male 608.4
- genitourinary tract NEC 599.0
- Ghon tubercle, primary (see also Tuberculosis) 010.0
- Giardia lamblia 007.1
- gingival (chronic) 523.10
  - acute 523.00
  - Vincent's 101
- glanders 024
- Glenosporopsis amazonica 116.2
- Gnathostoma spinigerum 128.1
- Gongylonema 125.6
- gonococcal NEC (see also Gonococcus) 098.0
- gram-negative bacilli NEC 041.85
  - anaerobic 041.84
- guinea worm 125.7
- gum (see also Infection, gingival) 523.10
- Hantavirus 079.81
- heart 429.89
- Helicobactor pylori [H. pylori] 041.86
- helminths NEC 128.9
  - intestinal 127.9
    - mixed (types classifiable to more than one category in 120.0-127.7) 127.8
    - specified type NEC 127.7
  - specified type NEC 128.8
- Hemophilus influenzae NEC 041.5
  - generalized 038.41
- Herpes (simplex) (see also Herpes, simplex) 054.9
  - congenital 771.2
  - zoster (see also Herpes, zoster) 053.9
    - eye NEC 053.29
- Heterophyes heterophyes 121.6
- Histoplasma (see also Histoplasmosis) 115.90
  - capsulatum (see also Histoplasmosis, American) 115.00
  - duboisii (see also Histoplasmosis, African) 115.10
- HIV V08
  - with symptoms, symptomatic 042
- hookworm (see also Ancylostomiasis) 126.9
- human herpesvirus 6 058.81
- human herpesvirus 7 058.82
- human herpesvirus 8 058.89
- human herpesvirus NEC 058.89
- human immunodeficiency virus V08
  - with symptoms, symptomatic 042
- human papillomavirus 079.4
- hydrocele 603.1
- hydronephrosis 591
- Hymenolepis 123.6
- hypopharynx 478.29
- inguinal glands 683
  - due to soft chancre 099.0
- insertion site 999.33
- intestine, intestinal (see also Enteritis, due to, by organism) 009.0
- intrauterine (see also Endometritis) 615.9
  - complicating delivery 646.6
- isospora belli or hominis 007.2
- Japanese B encephalitis 062.0
- jaw (bone) (acute) (chronic) (lower) (subacute) (upper) 526.4
- joint - see Arthritis, infectious or infective
- Kaposi's sarcoma-associated herpesvirus 058.89
- kidney (cortex) (hematogenous) 590.9
  - with
    - abortion - see Abortion, by type, with urinary tract infection
    - calculus 592.0
    - ectopic pregnancy (see also categories 633.0-633.9) 639.8
    - molar pregnancy (see also categories 630-632) 639.8
  - complicating pregnancy or puerperium 646.6
    - affecting fetus or newborn 760.1
  - following
    - abortion 639.8
    - ectopic or molar pregnancy 639.8
  - pelvis and ureter 590.3
- Klebsiella pneumoniae NEC 041.3
- knee (skin) NEC 686.9
  - joint - see Arthritis, infectious
- Koch's (see also Tuberculosis, pulmonary) 011.9
- labia (majora) (minora) (see also Vulvitis) 616.10
- lacrimal
  - gland (see also Dacryoadenitis) 375.00
  - passages (duct) (sac) (see also Dacryocystitis) 375.30
- larynx NEC 478.79
- leg (skin) NEC 686.9
- Leishmania (see also Leishmaniasis) 085.9
  - braziliensis 085.5
  - donovani 085.0
  - Ethiopica 085.3
  - furunculosa 085.1
  - infantum 085.0
  - Mexicana 085.4
  - tropica (minor) 085.1
    - major 085.2
- Leptosphaeria senegalensis 117.4
- leptospira (see also Leptospirosis) 100.9
  - australis 100.89
  - bataviae 100.89
  - pyrogenes 100.89
  - specified type NEC 100.89
- leptospirochetal NEC (see also Leptospirosis) 100.9
- Leptothrix - see Actinomycosis
- Listeria monocytogenes (listeriosis) 027.0
  - congenital 771.2
- liver fluke - see Infestation, fluke, liver
- Loa loa 125.2
  - eyelid 125.2 [373.6]
- Loboa loboi 116.2
- local, skin (staphylococcal) (streptococcal) NEC 686.9
  - abscess - see Abscess, by site
  - cellulitis - see Cellulitis, by site
  - ulcer (see also Ulcer, skin) 707.9
- Loefflerella
  - mallei 024
  - whitmori 025
- lung 518.89
  - atypical Mycobacterium 031.0
    - tuberculous (see also Tuberculosis, pulmonary) 011.9
  - basilar 518.89
  - chronic 518.89
  - fungus NEC 117.9
  - spirochetal 104.8
  - virus - see Pneumonia, virus
- lymph gland (axillary) (cervical) (inguinal) 683
  - mesenteric 289.2
- lymphoid tissue, base of tongue or posterior pharynx, NEC 474.00
- madurella
  - grisea 117.4
  - mycetomii 117.4
- major
  - with
    - abortion - see Abortion, by type, with sepsis
    - ectopic pregnancy (see also categories 633.0-633.9) 639.0
    - molar pregnancy (see also categories 630-632) 639.0
  - following
    - abortion 639.0
    - ectopic or molar pregnancy 639.0
  - puerperal, postpartum, childbirth 670.0
- malarial - see Malaria
- Malassezia furfur 111.0
- Malleomyces
  - mallei 024
  - pseudomallei 025
- mammary gland 611.0
  - puerperal, postpartum 675.2
- Mansonella (ozzardi) 125.5
- mastoid (suppurative) - see Mastoiditis
- maxilla, maxillary 526.4
  - sinus (chronic) (see also Sinusitis, maxillary) 473.0
- mediastinum 519.2
- medina 125.7
- meibomian
  - cyst 373.12
  - gland 373.12
- melioidosis 025
- meninges (see also Meningitis) 320.9
- meningococcal (see also condition) 036.9
  - brain 036.1
  - cerebrospinal 036.0
  - endocardium 036.42
  - generalized 036.2
  - meninges 036.0
  - meningococcemia 036.2
  - specified site NEC 036.89
- mesenteric lymph nodes or glands NEC 289.2
- Metagonimus 121.5