ICD-10 C4A.112
Merkel cell carcinoma of right lower eyelid, including canthus
ICD10
C4A.112
Neoplasms
Description
Merkel cell carcinoma of right lower eyelid, including canthus
Documentation Requirements
- Document clinical indications and clear medical necessity supporting the encounter or procedure.
- Ensure complete provider signatures, credentials, date, and specific place of service (POS).
- Verify documentation strictly supports code specificity to prevent downcoding or claim denials.
Billing & Coding Tips
- Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
- Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
- Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.
Related Codes
C4A C4A.0 C4A.1 C4A.10 C4A.11 C4A.111 C4A.12 C4A.121 C4A.122 C4A.2 C4A.20 C4A.21 C4A.22 C4A.3 C4A.30
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