ICD-10 C00.0
Billable / SpecificMalignant neoplasm of external upper lip
About ICD-10-CM C00.0
ICD-10-CM code C00.0 represents Malignant neoplasm of external upper lip. This is a billable/specific code in the Neoplasms chapter (block C00). The 2026 edition of ICD-10-CM C00.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under C00.0. Per CMS ICD-10-CM Tabular 2026.
- Malignant neoplasm of lipstick area of upper lip
- Malignant neoplasm of upper lip NOS
- Malignant neoplasm of vermilion border of upper lip
Medicare LCD Coverage for C00.0
Local Coverage Determinations (LCDs) from CMS MACs that list C00.0 as a covered diagnosis.
Showing top 10 of 944 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C00.0.
4 Aetna
3 Cigna
5 Medicare
CPT Codes Commonly Billed with C00.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 17312 CMS LCD: Billing and Coding: Mohs Micrographic Surgery CMS LCD
- 17313 CMS LCD: Billing and Coding: Mohs Micrographic Surgery CMS LCD
- 17314 CMS LCD: Billing and Coding: Mohs Micrographic Surgery CMS LCD
- 17315 CMS LCD: Billing and Coding: Mohs Micrographic Surgery CMS LCD
- 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
Convert C00.0 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 |
|---|---|---|
| C00.0 | 1400 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To C00.0
Other codes in section C00-C14 (Malignant neoplasms of lip, oral cavity and pharynx).
ICD-10 C00.0, Billing FAQ
Is ICD-10 code C00.0 billable? +
Yes, C00.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to C00.0? +
ICD-10 C00.0 includes: Malignant neoplasm of lipstick area of upper lip; Malignant neoplasm of upper lip NOS; Malignant neoplasm of vermilion border of upper lip.
What CPT codes are commonly billed with C00.0? +
Procedures frequently paired with C00.0 include: 17312, 17313, 17314, 17315, 63621.
What ICD-9 codes does C00.0 map to? +
Per CMS GEMs, C00.0 maps to ICD-9 codes: 1400. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 2, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team