All ICD10 Codes

C4A.0

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Merkel cell carcinoma of lip

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • malignant neoplasm of vermilion border of lip (C00.0-C00.2)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C43-C44Melanoma and other malignant neoplasms of skin (C43-C44)
C4AMerkel cell carcinoma
C4A.0Merkel cell carcinoma of lipBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 595
Major Skin Disorders with MCC
DRG 596
Major Skin Disorders without MCC

Cross Reference

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