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C4A.12 - Merkel cell carcinoma of left eyelid, including canthus


The ICD 10 Code for Merkel cell carcinoma of left eyelid, including canthus is listed as C4A.12.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: C4A.12
Description: Merkel cell carcinoma of left eyelid, including canthus
Diagnostic Related Groups
(MS-DRG v30.0)
595 - Major Skin Disorders W Mcc
596 - Major Skin Disorders W/o Mcc
Chapter Neoplasms (C00-D49)
Parent C4A.1 - Merkel cell carcinoma of eyelid, including canthus
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 209.31 - Merkel cell carcinoma of the face (approximate)
ICD-10-CM Siblings (same level / similar specificity) of C4A.12:
C4A.10 - Merkel cell carcinoma of unspecified eyelid, including canthus
C4A.11 - Merkel cell carcinoma of right eyelid, including canthus