2027 ICD-10-CM Diagnosis Code L57.0Actinic keratosis
ICD-10-CM Codes›L00–L99›L55-L59›L57
- Billable — Valid for Submission
- Not Chronic
L57.0 is a billable ICD-10-CM diagnosis code for actinic keratosis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified skin disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acantholytic actinic keratosis
- Actinic keratosis
- Actinic keratosis of eyelid
- Adverse effect from PUVA photochemotherapy
- Atrophic actinic keratosis
- Benign neoplasm of skin of forehead
- Benign neoplasm of skin of hand
- Benign neoplasm of skin of left lower limb
- Benign neoplasm of skin of left upper limb
- Benign neoplasm of skin of right lower limb
- Benign neoplasm of skin of right upper limb
- Benign neoplasm of skin of scalp
- Benign neoplasm of skin of temporal region
- Benign neoplasm of soft tissue of hand
- Bilateral benign neoplasm of skin of lower limbs
- Bilateral benign neoplasm of skin of upper limbs
- Bilateral benign neoplasm of soft tissue of lower limbs
- Bilateral mass of skin of hands
- Bowenoid actinic keratosis
- Diffuse actinic hyperkeratosis
- Disorder of eyelid caused by radiation
- Disorder of skin due to radiotherapy
- Hyperkeratotic actinic keratosis
- Hypertrophic solar keratosis
- Keratosis
- Keratosis caused by radiation
- Keratosis following radiotherapy
- Lichenoid actinic keratosis
- Multiple actinic keratoses
- Multiple actinic keratoses involving face
- Multiple actinic keratoses involving forehead and temples
- Multiple actinic keratoses involving hands
- Multiple actinic keratoses involving legs
- Multiple actinic keratoses involving scalp
- Orthokeratosis
- Pigmented actinic keratosis
- Plane basal cell papilloma
- Proliferative actinic keratosis
- Psoralen and long-wave ultraviolet radiation keratosis
- Senile hyperkeratosis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L57.0: its own notes plus those printed at L57 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Keratosis NOS
- Senile keratosis
- Solar keratosis
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name L57.0, its category, or a range that includes it.
Excludes1 3
These codes carry an Excludes1 note naming L57.0: they are not reported together with it, unless the two conditions are unrelated.
Excludes2 7
These codes carry an Excludes2 note naming L57.0: its condition is not part of those codes, and both may be reported when the patient has both.
- L98.7 Excessive and redundant skin and subcutaneous tissueskin changes due to chronic exposure to nonionizing radiation (L57.-) names L57.-, which includes this code
- Block L20-L30 Dermatitis and eczema
- L23 Allergic contact dermatitis
- L24 Irritant contact dermatitis
- L25 Unspecified contact dermatitis
- Block T20-T32
- X32 Exposure to sunlight
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Hyperkeratosis See Also: Keratosis; L85.9
senile (with pruritus) L57.0
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Keratosis, Actinic
white or pink lesions on the arms, hands, face, or scalp that arise from sun-induced dna damage to keratinocytes in exposed areas. they are considered precursor lesions to superficial squamous cell carcinoma.
Patient EducationClinical
Skin Conditions
Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:
The full article covers:
- What does your skin do?
- What problems and conditions can affect your skin?
- How can I keep my skin healthy?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L57.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L57.0Overview
What is the ICD-10 code for actinic keratosis?
The ICD-10-CM code for actinic keratosis is L57.0 (sometimes written as L570). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is L57.0 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report actinic keratosis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does L57.0 group to?
When actinic keratosis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.
Does L57.0 need an additional code?
When the condition applies, yes. The Use Additional Code note at L57, which applies to L57.0, reads: code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90). The additional code is reported after L57.0.
What is the ICD-9 equivalent of L57.0?
Under the General Equivalence Mappings, actinic keratosis converts to ICD-9-CM 702.0 (actinic keratosis). The mapping is a direct match.
