C4A.60
Billable codeMerkel cell carcinoma of unspecified upper limb, including shoulder
The ICD-10 code for merkel cell carcinoma of unspecified upper limb, including shoulder is C4A.60.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C4A.61Merkel cell carcinoma of right upper limb, including shoulder
- C4A.62Merkel cell carcinoma of left upper limb, including shoulder
- C4A.60Merkel cell carcinoma of unspecified upper limb, including shoulder
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 20933Approximate match
Associated MS-DRGs
C4A.60 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 595Major Skin Disorders with MCC
- DRG 596Major Skin Disorders without MCC