2007 ICD-9-CM Diagnosis Code 172.9 : Melanoma of skin site unspecified

A primary melanoma arising from atypical melanocytes in the skin. Precursor lesions include acquired and congenital melanocytic nevi, and dysplastic nevi. Several histologic variants have been recognized, including superficial spreading melanoma, acral lentiginous melanoma, nodular melanoma, and lentigo maligna melanoma.
Short description: MALIG MELANOMA SKIN NOS.
ICD-9-CM 172.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
You are viewing the 2007 version of ICD-9-CM 172.9.
More recent version(s) of ICD-9-CM 172.9: 2008 2009 2010 2011 2012 2013.

Convert 172.9 to ICD-10-CM

ICD-9-CM Volume 2 Index entries containing back-references to 172.9:

Melanoma (malignant) (M8720/3) 172.9
- abdominal wall 172.5
- ala nasi 172.3
- amelanotic (M8730/3) - see Melanoma, by site
- ankle 172.7
- anus, anal 154.3
  - canal 154.2
- arm 172.6
- auditory canal (external) 172.2
- auricle (ear) 172.2
- auricular canal (external) 172.2
- axilla 172.5
- axillary fold 172.5
- back 172.5
- balloon cell (M8722/3) - see Melanoma, by site
- benign (M8720/0) - see Neoplasm, skin, benign
- breast (female) (male) 172.5
- brow 172.3
- buttock 172.5
- canthus (eye) 172.1
- cheek (external) 172.3
- chest wall 172.5
- chin 172.3
- choroid 190.6
- conjunctiva 190.3
- ear (external) 172.2
- epithelioid cell (M8771/3) - see also Melanoma, by site
  - and spindle cell, mixed (M8775/3) - see Melanoma, by site
- external meatus (ear) 172.2
- eye 190.9
- eyebrow 172.3
- eyelid (lower) (upper) 172.1
- face NEC 172.3
- female genital organ (external) NEC 184.4
- finger 172.6
- flank 172.5
- foot 172.7
- forearm 172.6
- forehead 172.3
- foreskin 187.1
- gluteal region 172.5
- groin 172.5
- hand 172.6
- heel 172.7
- helix 172.2
- hip 172.7
- in
  - giant pigmented nevus (M8761/3) - see Melanoma, by site
  - Hutchinson's melanotic freckle (M8742/3) - see Melanoma, by site
  - junctional nevus (M8740/3) - see Melanoma, by site
  - precancerous melanosis (M8741/3) - see Melanoma, by site
- interscapular region 172.5
- iris 190.0
- jaw 172.3
- juvenile (M8770/0) - see Neoplasm, skin, benign
- knee 172.7
- labium
  - majus 184.1
  - minus 184.2
- lacrimal gland 190.2
- leg 172.7
- lip (lower) (upper) 172.0
- liver 197.7
- lower limb NEC 172.7
- male genital organ (external) NEC 187.9
- meatus, acoustic (external) 172.2
- meibomian gland 172.1
- metastatic
  - of or from specified site - see Melanoma, by site
  - site not of skin - see Neoplasm, by site, malignant, secondary
  - to specified site - see Neoplasm, by site, malignant, secondary
  - unspecified site 172.9
- nail 172.9
  - finger 172.6
  - toe 172.7
- neck 172.4
- nodular (M8721/3) - see Melanoma, by site
- nose, external 172.3
- orbit 190.1
- penis 187.4
- perianal skin 172.5
- perineum 172.5
- pinna 172.2
- popliteal (fossa) (space) 172.7
- prepuce 187.1
- pubes 172.5
- pudendum 184.4
- retina 190.5
- scalp 172.4
- scrotum 187.7
- septum nasal (skin) 172.3
- shoulder 172.6
- skin NEC 172.8
- spindle cell (M8772/3) - see also Melanoma, by site
  - type A (M8773/3) 190.0
  - type B (M8774/3) 190.0
- submammary fold 172.5
- superficial spreading (M8743/3) - see Melanoma, by site
- temple 172.3
- thigh 172.7
- toe 172.7
- trunk NEC 172.5
- umbilicus 172.5
- upper limb NEC 172.6
- vagina vault 184.0
- vulva 184.4

172.8

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ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 172.9 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.

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