Is L65 a billable ICD-10-CM code?

No. L65 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does L65 sit in the tabular list?

Diseases of the skin and subcutaneous tissue (L00-L99), in the block Disorders of skin appendages (L60-L75).

What cannot be coded together with L65?

L65 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

L65

L65 — Other nonscarring hair loss

Non-billable headerICD-10-CM

L65 is a non-billable header ICD-10-CM code for other nonscarring hair loss. 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.

trichotillomania (F63.3)

Use additional code

Add a secondary code to capture the detail described below.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Other codes that can never be billed with L65

These codes carry an Excludes1 note pointing at L65. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading L65 alone.

L67Hair color and hair shaft abnormalities

Risk adjustment

L65 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 L65

5 child codes. Green means billable.

Questions about L65

Is L65 a billable ICD-10-CM code?: No. L65 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does L65 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Disorders of skin appendages (L60-L75).
What cannot be coded together with L65?: L65 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.