ICD-10 Code for Keratosis
The ICD-10-CM code for keratosis is L57.0 — Actinic keratosis. This is the code the Alphabetic Index gives for keratosis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which keratosis code should you use?
The Alphabetic Index lists 20 codes under Keratosis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| actinic | L57.0 | Actinic keratosis | |
| arsenical | L85.8 | Other specified epidermal thickening | |
| congenital, specified NEC | Q80.8 | Other congenital ichthyosis | |
| female genital NEC | N94.89 | Other specified conditions associated with female genital organs and menstrual cycle | |
| follicularis | Q82.8 | Other specified congenital malformations of skin | |
| gonococcal | A54.89 | Other gonococcal infections | |
| lichenoid | L82.0 | Inflamed seborrheic keratosis | |
| male genital | N50.89 | Other specified disorders of the male genital organs | |
| nigricans | L83 | Acanthosis nigricans | |
| palmaris et plantaris | Q82.8 | Other specified congenital malformations of skin | |
| penile | N48.89 | Other specified disorders of penis | |
| pharynx | J39.2 | Other diseases of pharynx | |
| pilaris, acquired | L85.8 | Other specified epidermal thickening | |
| punctata | L85.2 | Keratosis punctata (palmaris et plantaris) | |
| scrotal | N50.89 | Other specified disorders of the male genital organs | |
| seborrheic | L82.1 | Other seborrheic keratosis | |
| senile | L57.0 | Actinic keratosis | |
| solar | L57.0 | Actinic keratosis | |
| tonsillaris | J35.8 | Other chronic diseases of tonsils and adenoids | |
| vagina | N89.4 | Leukoplakia of vagina | |
| vegetans | Q82.8 | Other specified congenital malformations of skin | |
| vitamin A deficiency | E50.8 | Other manifestations of vitamin A deficiency | |
| vocal cord | J38.3 | Other diseases of vocal cords |
Keratosis follicularis
| acquired | L11.0 | Acquired keratosis follicularis | |
| congenita | Q82.8 | Other specified congenital malformations of skin | |
| et parafollicularis in cutem penetrans | L87.0 | Keratosis follicularis et parafollicularis in cutem penetrans | |
| spinulosa | Q82.8 | Other specified congenital malformations of skin | |
| vitamin A deficiency | E50.8 | Other manifestations of vitamin A deficiency |
Keratosis palmaris et plantaris
| acquired | L85.1 | Acquired keratosis [keratoderma] palmaris et plantaris |
Keratosis seborrheic
| inflamed | L82.0 | Inflamed seborrheic keratosis |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources