Checker Browse Open

L40

⚠ Non-billable (Header)

Psoriasis

Diseases of the skin and subcutaneous tissue (L00-L99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

Check This Code

✅ No additional coding notes for L40

Child Codes (8)

L40.0Psoriasis vulgaris✓ Billable L40.1Generalized pustular psoriasis✓ Billable L40.2Acrodermatitis continua✓ Billable L40.3Pustulosis palmaris et plantaris✓ Billable L40.4Guttate psoriasis✓ Billable L40.5Arthropathic psoriasisHeader L40.8Other psoriasis✓ Billable L40.9Psoriasis, unspecified✓ Billable

🧪 Validate Combinations

Add L40 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeL40

BillableNo — Header code

CategoryDiseases of the skin and subcutaneous tissue (L00-L99)

Excludes10 rule(s)

Excludes20 note(s)

Child codes8

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)