Specific code 2011 ICD-9-CM Diagnosis Code 326
Late effects of intracranial abscess or pyogenic infection
  • Short description: Late eff cns abscess.
  • ICD-9-CM 326 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 326 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 326.
  • More recent version(s) of ICD-9-CM 326: 2012 2013 2014.
Note
This category is to be used to indicate conditions whose primary classification is to 320-325 [excluding 320.7, 321.0-321.8, 323.01-323.42, 323.61-323.72] as the cause of late effects, themselves classifiable elsewhere. The "late effects" include conditions specified as such, or as sequelae, which may occur at any time after the resolution of the causal condition.
Disease Synonyms
  • Late effect of central nervous system (CNS) abscess
  • Late effect of CNS abscess
  • Late effect of infectious brain abscess
  • Late effect of infectious meningitis
  • Late effects of intracranial abscess (disorder)
  • Late effects of pyogenic intracranial abscess (disorder)
  • Sequela of infectious meningitis (disorder)
Use Additional
Convert to ICD-10-CM: 326 converts approximately to:
  • 2014 ICD-10-CM G09 Sequelae of inflammatory diseases of central nervous system
ICD-9-CM Volume 2 Index entries containing back-references to 326:
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • brain (any part) 324.0
      • amebic (with liver or lung abscess) 006.5
      • cystic 324.0
      • late effect - see category 326
      • otogenic 324.0
      • tuberculous (see also Tuberculosis) 013.3
    • cerebellum, cerebellar 324.0
      • late effect - see category 326
    • cerebral (embolic) 324.0
      • late effect - see category 326
    • intracranial 324.0
      • late effect - see category 326
    • intraspinal 324.1
      • late effect - see category 326
    • sinus (accessory) (chronic) (nasal) (see also Sinusitis) 473.9
      • intracranial venous (any) 324.0
        • late effect - see category 326
    • temporosphenoidal 324.0
      • late effect - see category 326
  • Disease, diseased - see also Syndrome
    • brain 348.9
      • Alzheimer's 331.0
        • with dementia - see Alzheimer's, dementia
      • arterial, artery 437.9
      • arteriosclerotic 437.0
      • congenital 742.9
      • degenerative - see Degeneration, brain
      • inflammatory - see also Encephalitis
        • late effect - see category 326
      • organic 348.9
      • parasitic NEC 123.9
      • Pick's 331.11
      • senile 331.2
  • Embolism 444.9
    • intracranial (see also Embolism, brain) 434.1
      • venous sinus (any) 325
        • late effect - see category 326
        • nonpyogenic 437.6
          • in pregnancy or puerperium 671.5
    • spinal cord (nonpyogenic) 336.1
      • in pregnancy or puerperium 671.5
      • pyogenic origin 324.1
        • late effect - see category 326
  • Fever 780.60
    • brain 323.9
      • late effect - see category 326
    • cerebral 323.9
      • late effect - see category 326
  • Hematomyelitis 323.9
    • late effect - see category 326
  • Hemophilus influenzae NEC 041.5
    • arachnoiditis (basic) (brain) (spinal) 320.0
      • late effect - see category 326
    • cerebral ventriculitis 320.0
      • late effect - see category 326
    • cerebrospinal inflammation 320.0
      • late effect - see category 326
    • leptomeningitis 320.0
      • late effect - see category 326
    • meningitis (cerebral) (cerebrospinal) (spinal) 320.0
      • late effect - see category 326
    • meningomyelitis 320.0
      • late effect - see category 326
    • pachymeningitis (adhesive) (fibrous) (hemorrhagic) (hypertrophic) (spinal) 320.0
      • late effect - see category 326
  • Infection, infected, infective (opportunistic) 136.9
    • 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
    • cerebrospinal (see also Meningitis) 322.9
      • late effect - see category 326
    • spinal cord NEC (see also Encephalitis) 323.9
      • abscess 324.1
        • late effect - see category 326
      • late effect - see category 326
      • meninges - see Meningitis
      • streptococcal 320.2
  • Inflammation, inflamed, inflammatory (with exudation)
    • brain (see also Encephalitis) 323.9
      • late effect - see category 326
      • membrane - see Meningitis
    • cerebral (see also Encephalitis) 323.9
      • late effect - see category 326
      • membrane - see Meningitis
    • cerebrospinal (see also Meningitis) 322.9
      • late effect - see category 326
      • meningococcal 036.0
      • tuberculous (see also Tuberculosis) 013.6
    • spinal
      • cord (see also Encephalitis) 323.9
        • late effect - see category 326
      • membrane - see Meningitis
      • nerve - see Disorder, nerve
  • Late - see also condition
    • effect(s) (of) - see also condition
      • abscess
        • intracranial or intraspinal (conditions classifiable to 324) - see category 326
      • adverse effect of drug, medicinal or biological substance 909.5
      • allergic reaction 909.9
      • amputation
      • burn (injury classifiable to 948-949) 906.9
        • extremities NEC (injury classifiable to 943 or 945) 906.7
          • hand or wrist (injury classifiable to 944) 906.6
        • eye (injury classifiable to 940) 906.5
        • face, head, and neck (injury classifiable to 941) 906.5
        • specified site NEC (injury classifiable to 942 and 946-947) 906.8
      • cerebrovascular disease (conditions classifiable to 430-437) 438.9
      • childbirth complication(s) 677
      • complication(s) of
        • childbirth 677
        • delivery 677
        • pregnancy 677
        • puerperium 677
        • surgical and medical care (conditions classifiable to 996-999) 909.3
        • trauma (conditions classifiable to 958) 908.6
      • contusion (injury classifiable to 920-924) 906.3
      • crushing (injury classifiable to 925-929) 906.4
      • delivery complication(s) 677
      • dislocation (injury classifiable to 830-839) 905.6
      • encephalitis or encephalomyelitis (conditions classifiable to 323) - see category 326
      • external cause NEC (conditions classifiable to 995) 909.9
        • certain conditions classifiable to categories 991-994 909.4
      • foreign body in orifice (injury classifiable to 930-939) 908.5
      • fracture (multiple) (injury classifiable to 828-829) 905.5
        • extremity
        • face and skull (injury classifiable to 800-804) 905.0
        • skull and face (injury classifiable to 800-804) 905.0
        • spine and trunk (injury classifiable to 805 and 807-809) 905.1
          • with spinal cord lesion (injury classifiable to 806) 907.2
      • infection
        • pyogenic, intracranial - see category 326
      • infectious diseases (conditions classifiable to 001-136) NEC 139.8
      • injury (injury classifiable to 959) 908.9
        • blood vessel 908.3
          • abdomen and pelvis (injury classifiable to 902) 908.4
          • extremity (injury classifiable to 903-904) 908.3
          • head and neck (injury classifiable to 900) 908.3
          • thorax (injury classifiable to 901) 908.4
        • internal organ NEC (injury classifiable to 867 and 869) 908.2
        • intracranial (injury classifiable to 850-854) 907.0
        • nerve NEC (injury classifiable to 957) 907.9
          • cranial (injury classifiable to 950-951) 907.1
          • peripheral NEC (injury classifiable to 957) 907.9
            • lower limb and pelvic girdle (injury classifiable to 956) 907.5
            • upper limb and shoulder girdle (injury classifiable to 955) 907.4
          • roots and plexus(es), spinal (injury classifiable to 953) 907.3
          • trunk (injury classifiable to 954) 907.3
        • spinal
          • cord (injury classifiable to 806 and 952) 907.2
          • nerve root(s) and plexus(es) (injury classifiable to 953) 907.3
        • superficial (injury classifiable to 910-919) 906.2
        • tendon (tendon injury classifiable to 840-848, 880-884 with .2, and 890-894 with .2) 905.8
      • meningitis
        • bacterial (conditions classifiable to 320) - see category 326
        • unspecified cause (conditions classifiable to 322) - see category 326
      • myelitis (see also Late, effect(s) (of), encephalitis) - see category 326
      • parasitic diseases (conditions classifiable to 001-136 NEC) 139.8
      • phlebitis or thrombophlebitis of intracranial venous sinuses (conditions classifiable to 325) - see category 326
      • poisoning due to drug, medicinal or biological substance (conditions classifiable to 960-979) 909.0
      • poliomyelitis, acute (conditions classifiable to 045) 138
      • pregnancy complication(s) 677
      • puerperal complication(s) 677
      • radiation (conditions classifiable to 990) 909.2
      • rickets 268.1
      • sprain and strain without mention of tendon injury (injury classifiable to 840-848, except tendon injury) 905.7
      • toxic effect of
        • drug, medicinal or biological substance (conditions classifiable to 960-979) 909.0
        • nonmedical substance (conditions classifiable to 980-989) 909.1
      • trachoma (conditions classifiable to 076) 139.1
      • tuberculosis 137.0
        • bones and joints (conditions classifiable to 015) 137.3
        • central nervous system (conditions classifiable to 013) 137.1
        • genitourinary (conditions classifiable to 016) 137.2
        • pulmonary (conditions classifiable to 010-012) 137.0
        • specified organs NEC (conditions classifiable to 014, 017-018) 137.4
      • viral encephalitis (conditions classifiable to 049.8, 049.9, 062-064) 139.0
      • wound, open
  • Leptomeningitis (chronic) (circumscribed) (hemorrhagic) (nonsuppurative) (see also Meningitis) 322.9
    • late effect - see category 326
  • Meningoencephalitis (see also Encephalitis) 323.9
    • late effect - see category 326
  • Meningoencephalomyelitis (see also Meningoencephalitis) 323.9
    • late effect - see category 326
  • Meningomyelitis (see also Meningoencephalitis) 323.9
    • late effect - see category 326
  • Mesencephalitis (see also Encephalitis) 323.9
    • late effect - see category 326
  • Myelitis (ascending) (cerebellar) (childhood) (chronic) (descending) (diffuse) (disseminated) (pressure) (progressive) (spinal cord) (subacute) (see also Encephalitis) 323.9
    • late effect - see category 326
  • Parencephalitis (see also Encephalitis) 323.9
    • late effect - see category 326
  • Phlebitis (infective) (pyemic) (septic) (suppurative) 451.9
    • intracranial sinus (any) (venous) 325
      • late effect - see category 326
      • nonpyogenic 437.6
        • in pregnancy or puerperium 671.5
  • Suppuration, suppurative - see also condition
    • brain 324.0
      • late effect 326
  • Syringomyelitis 323.9
    • late effect - see category 326
  • Thrombophlebitis 451.9
    • cerebral (sinus) (vein) 325
      • late effect - see category 326
      • nonpyogenic 437.6
        • in pregnancy or puerperium 671.5
        • late effect - see Late effect(s) (of) cerebrovascular disease
    • intracranial venous sinus (any) 325
      • late effect - see category 326
      • nonpyogenic 437.6
        • in pregnancy or puerperium 671.5
        • late effect - see Late effect(s) (of) cerebrovascular disease
  • Thrombosis, thrombotic (marantic) (multiple) (progressive) (vein) (vessel) 453.9
    • spinal cord 336.1
      • due to syphilis 094.89
      • in pregnancy or puerperium 671.5
      • pyogenic origin 324.1
        • late effect - see category 326
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 326 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.