Is C4A.7 a billable code?
No. C4A.7 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
C4A.7: Merkel cell carcinoma of lower limb, including hip
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
C4A.7 groups related diagnoses under merkel cell carcinoma of lower limb, including hip. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under C4A.7
- C4A.70Merkel cell carcinoma of unspecified lower limb, including hip
- C4A.71Merkel cell carcinoma of right lower limb, including hip
- C4A.72Merkel cell carcinoma of left lower limb, including hip
Other codes in C4A Merkel cell carcinoma
- C4A.0Merkel cell carcinoma of lip
- C4A.1Merkel cell carcinoma of eyelid, including canthusheader
- C4A.2Merkel cell carcinoma of ear and external auricular canalheader
- C4A.3Merkel cell carcinoma of other and unspecified parts of faceheader
- C4A.4Merkel cell carcinoma of scalp and neck
- C4A.5Merkel cell carcinoma of trunkheader
- C4A.6Merkel cell carcinoma of upper limb, including shoulderheader
- C4A.8Merkel cell carcinoma of overlapping sites
- C4A.9Merkel cell carcinoma, unspecified
C4A.7 questions
What does C4A.7 mean?
C4A.7 is the ICD-10-CM code for Merkel cell carcinoma of lower limb, including hip. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.