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Code
Description

ICD-10-CM Code C44.2
Other and unspecified malignant neoplasm of skin of ear and external auricular canal

NON-BILLABLE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
| ICD-10 from 2011 - 2016

ICD Code C44.2 is a non-billable code. To code a diagnosis of this type, you must use one of the four child codes of C44.2 that describes the diagnosis 'oth and unsp malig neoplasm skin/ ear and extrn auric canal' in more detail.


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.

Coding Notes for C44.2 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Connective tissue of ear - instead, use code C49.0

Related Concepts SNOMET-CT

  • Primary malignant neoplasm of skin of external auditory canal (disorder)
  • Basal cell carcinoma of preauricular skin (disorder)

Coding Advice SNOMET-CT

  • Possible requirement for morphology code

Parent Code: C44 - Other and unspecified malignant neoplasm of skin

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/C442