Merkel cell carcinoma 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:

C4A.51 Merkel cell carcinoma of anal skin
C4A.52 Merkel cell carcinoma of skin of breast
C4A.59 Merkel cell carcinoma of other part of trunk

What has happened to this code

Every change the publisher made, from 2012 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.

FY2012 Added to the draft code set draft Merkel cell carcinoma of trunk

Codes in the same group

Code	Description	Status
C4A.0	Merkel cell carcinoma of lip	Valid
C4A.1	Merkel cell carcinoma of eyelid, including canthus	Not billable
C4A.2	Merkel cell carcinoma of ear and external auricular canal	Not billable
C4A.3	Merkel cell carcinoma of other and unspecified parts of face	Not billable
C4A.4	Merkel cell carcinoma of scalp and neck	Valid
C4A.6	Merkel cell carcinoma of upper limb, including shoulder	Not billable
C4A.7	Merkel cell carcinoma of lower limb, including hip	Not billable
C4A.8	Merkel cell carcinoma of overlapping sites	Valid
C4A.9	Merkel cell carcinoma, unspecified	Valid