C43.121
Billable codeMalignant melanoma of left upper eyelid, including canthus
The ICD-10 code for malignant melanoma of left upper eyelid, including canthus is C43.121.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C43.122Malignant melanoma of left lower eyelid, including canthus
- C43.121Malignant melanoma of left upper eyelid, including canthus
Associated MS-DRGs
C43.121 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.