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L73

L73Other follicular disorders

Non-billable headerICD-10-CM

L73 is a non-billable header ICD-10-CM code for other follicular disorders. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with L73

These codes carry an Excludes1 note pointing at L73. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading L73 alone.

  • L75Apocrine sweat disorders

Risk adjustment

L73 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 L73

5 child codes. Green means billable.

Questions about L73

Is L73 a billable ICD-10-CM code?
No. L73 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does L73 sit in the tabular list?
Diseases of the skin and subcutaneous tissue (L00-L99), in the block Disorders of skin appendages (L60-L75).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.