L56.9
✓ Billable
Acute skin change due to ultraviolet radiation, unspecified
ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue
Code
L56.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code L56.9?
ICD-10-CM code L56.9 represents Acute skin change due to ultraviolet radiation, unspecified. It is a billable diagnosis code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L56.9 billable?
Yes. L56.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is L56.9 in?
L56.9 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.
Related codes in the L56 category
L56
Other acute skin changes due to ultraviolet radiation
Non-billable
L56.0
Drug phototoxic response
Billable
L56.1
Drug photoallergic response
Billable
L56.2
Photocontact dermatitis [berloque dermatitis]
Billable
L56.3
Solar urticaria
Billable
L56.4
Polymorphous light eruption
Billable
L56.5
Disseminated superficial actinic porokeratosis (DSAP)
Billable
L56.8
Other specified acute skin changes due to ultraviolet radiation
Billable
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