ICD-10 C00.9
Billable / SpecificMalignant neoplasm of lip, unspecified
About ICD-10-CM C00.9
ICD-10-CM code C00.9 represents Malignant neoplasm of lip, unspecified. This is a billable/specific code in the Neoplasms chapter (block C00). The 2026 edition of ICD-10-CM C00.9 became effective on October 1, 2025.
Medicare LCD Coverage for C00.9
Local Coverage Determinations (LCDs) from CMS MACs that list C00.9 as a covered diagnosis.
Showing top 10 of 420 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C00.9.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with C00.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 63621 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- 61800 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- 77373 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- G0339 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- 77372 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- G0563 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- 77435 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- 77371 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- G0340 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
- 61798 CMS LCD: Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT) CMS LCD
Convert C00.9 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| C00.9 | 1409 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To C00.9
Other codes in section C00-C14 (Malignant neoplasms of lip, oral cavity and pharynx).
ICD-10 C00.9, Billing FAQ
Is ICD-10 code C00.9 billable? +
Yes, C00.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with C00.9? +
Procedures frequently paired with C00.9 include: 63621, 61800, 77373, G0339, 77372.
What ICD-9 codes does C00.9 map to? +
Per CMS GEMs, C00.9 maps to ICD-9 codes: 1409. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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