ICD-10-CM › C00-D49 › C43-C44 › C44.5 Other and unspecified malignant... › C44.52

C44.52

Squamous cell carcinoma of skin of trunk

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • C44.520 Squamous cell carcinoma of anal skin
  • C44.521 Squamous cell carcinoma of skin of breast
  • C44.529 Squamous cell carcinoma of skin of other part of trunk

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Malignant neoplasm of skin of breast
  2. FY2012 Draft description revised draft Malignant neoplasm of skin of breast Squamous cell carcinoma of skin of trunk

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C44 Other and unspecified malignant neoplasm of skin

Excludes1 - never coded here

  • Kaposi's sarcoma of skin (C46.0)
  • malignant melanoma of skin (C43.-)
  • malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
  • Merkel cell carcinoma (C4A.-)

Includes

  • malignant neoplasm of sebaceous glands
  • malignant neoplasm of sweat glands

Codes in the same group

CodeDescriptionStatus
C44.50 Unspecified malignant neoplasm of skin of trunk Not billable
C44.51 Basal cell carcinoma of skin of trunk Not billable
C44.59 Other specified malignant neoplasm of skin of trunk Not billable