Is L12.3 a billable ICD-10-CM code?

No. L12.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does L12.3 sit in the tabular list?

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

What cannot be coded together with L12.3?

L12.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

L12.3

L12.3 — Acquired epidermolysis bullosa

Non-billable headerICD-10-CM

L12.3 is a non-billable header ICD-10-CM code for acquired epidermolysis bullosa. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

epidermolysis bullosa (congenital) (Q81.-)

Risk adjustment

L12.3 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 L12.3

3 child codes. Green means billable.

Related codes at this level

Codes that share L12. If L12.3 is not quite right, the correct code is usually one of these.

Questions about L12.3

Is L12.3 a billable ICD-10-CM code?: No. L12.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does L12.3 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Bullous disorders (L10-L14).
What cannot be coded together with L12.3?: L12.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.