ICD-10-CM 2027
ICD-10 code for Polymorpha dolorosa dermatitis
From the official ICD-10-CM alphabetic index entry “Dermatitis (eczematous) › polymorpha dolorosa”. Page updated September 29, 2026.
About coding Polymorpha dolorosa dermatitis
The ICD-10-CM code for Polymorpha dolorosa dermatitis is L13.0 (Dermatitis herpetiformis).
Within L13 (other bullous disorders), L13.0 is specifically for dermatitis herpetiformis. Related codes cover Subcorneal pustular dermatitis (L13.1), other specified bullous disorders (L13.8) and bullous disorder, unspecified (L13.9).
Don't report L13.0 together with the conditions in its Excludes1 note: juvenile dermatitis herpetiformis (L12.2) and senile dermatitis herpetiformis (L12.0).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for L13.0)
Common questions about Polymorpha dolorosa dermatitis ICD-10 codes
What is the ICD-10 code for Polymorpha dolorosa dermatitis?
- L13.0 — Dermatitis herpetiformis.
Is L13.0 billable?
- Yes. L13.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can L13.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict L13.0 as a principal diagnosis.
Is L13.0 a CC or MCC?
- No. L13.0 is neither a CC nor an MCC under MS-DRG v44.0.