Is L13 a billable ICD-10-CM code?

No. L13 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does L13 sit in the tabular list?

Diseases of the skin and subcutaneous tissue (L00-L99), in the block Bullous disorders (L10-L14).

L13

L13 — Other bullous disorders

Non-billable headerICD-10-CM

L13 is a non-billable header ICD-10-CM code for other bullous disorders. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

L13 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead L13

4 child codes. Green means billable.

L13.0Dermatitis herpetiformis
L13.1Subcorneal pustular dermatitis
L13.8Other specified bullous disorders
L13.9Bullous disorder, unspecified

Questions about L13

Is L13 a billable ICD-10-CM code?: No. L13 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does L13 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Bullous disorders (L10-L14).