C44.00
Billable codeUnspecified malignant neoplasm of skin of lip
The ICD-10 code for unspecified malignant neoplasm of skin of lip is C44.00.
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.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C44.01Basal cell carcinoma of skin of lip
- C44.02Squamous cell carcinoma of skin of lip
- C44.09Other specified malignant neoplasm of skin of lip
- C44.00Unspecified malignant neoplasm of skin of lip
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 17300
Associated MS-DRGs
C44.00 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 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- 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 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC