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Code
Description

ICD-10-CM Code C44.521
Squamous cell carcinoma of skin of breast

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

C44.521 is a billable ICD code used to specify a diagnosis of squamous cell carcinoma of skin of breast. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code C44 is used to code Merkel-cell carcinoma

Merkel-cell carcinoma is a rare and highly aggressive skin cancer, which, in most cases, is caused by the Merkel cell polyomavirus (MCV) discovered by scientists at the University of Pittsburgh in 2008. It is also known as cutaneous APUDoma, primary neuroendocrine carcinoma of the skin, primary small cell carcinoma of the skin, and trabecular carcinoma of the skin.

Specialty: Oncology
MeSH Codes: D015266, D015266, D015266, D015266, D015266, D015266
ICD 9 Codes: 209.31, 209.32, 209.33, 209.34, 209.35, 209.36

Micrograph of a Merkel-cell carcinoma. H&E stain.

MS-DRG Mapping

  • DRG Group #606-607 - Minor skin disorders with MCC.
  • DRG Group #606-607 - Minor skin disorders without MCC.

ICD-10-CM Neoplasms Index References for 'C44.521 - Squamous cell carcinoma of skin of breast'

The ICD-10-CM Neoplasms Index links the below-listed medical terms to the ICD code C44.521. Click on any term below to browse the neoplasms index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Squamous cell carcinoma of skin of trunk, except scrotum (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code C44.521 and a single ICD9 code, 173.52 is an approximate match for comparison and conversion purposes.


Parent Code: C44.52 - Squamous cell carcinoma of skin of trunk

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/C44521