ICD-10-CM Code C4A.21
Merkel cell carcinoma of right ear and external auricular canal
Billable CodeBillable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
C4A.21 is a billable ICD code used to specify a diagnosis of merkel cell carcinoma of right ear and external auricular canal. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
- DRG Group #595-596 - Major skin disorders with MCC.
- DRG Group #595-596 - Major skin disorders without MCC.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
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 C4A.21 and a single ICD9 code, 209.31 is an approximate match for comparison and conversion purposes.