ICD-10 L91.0
Billable / SpecificHypertrophic scar
About ICD-10-CM L91.0
ICD-10-CM code L91.0 represents Hypertrophic scar. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L91). The 2026 edition of ICD-10-CM L91.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under L91.0. Per CMS ICD-10-CM Tabular 2026.
- Keloid
- Keloid scar
Type 2 Excludes
Not included here, the excluded code is not part of L91.0, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- acne keloid (L73.0)
- scar NOS (L90.5)
Medicare LCD Coverage for L91.0
Local Coverage Determinations (LCDs) from CMS MACs that list L91.0 as a covered diagnosis.
Showing top 10 of 308 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L91.0.
5 Medicare
2 Aetna
CPT Codes Commonly Billed with L91.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 17110 Destruction benign — warts, seborrheic keratosis, keloid Dermatology
- 17000 Destruction benign lesion first — actinic keratosis, seborrheic keratosis, benign skin neoplasm, keloid, verruca, sebaceous cyst Dermatology
- 11310 Shave removal benign lesion — melanocytic nevi, benign skin neoplasm, seborrheic keratosis, sebaceous cyst, keloid, lipoma Dermatology
Convert L91.0 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 |
|---|---|---|
| L91.0 | 7014 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L91.0
Other codes in section L80-L99 (Other disorders of the skin and subcutaneous tissue).
ICD-10 L91.0, Billing FAQ
Is ICD-10 code L91.0 billable? +
Yes, L91.0 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 L91.0? +
ICD-10 L91.0 includes: Keloid; Keloid scar.
What codes are Type 2 Excludes for L91.0? +
Type 2 Excludes (may be coded together when both conditions exist): acne keloid (L73.0); scar NOS (L90.5)
What CPT codes are commonly billed with L91.0? +
Procedures frequently paired with L91.0 include: 17110, 17000, 11310.
What ICD-9 codes does L91.0 map to? +
Per CMS GEMs, L91.0 maps to ICD-9 codes: 7014. 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 June 1, 2026.
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