ICD-10 Code L73 – Other follicular disorders (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L73 – Other follicular disorders
What it is
L73 is used for follicular disorders of the skin that do not fit a more specific diagnosis. These conditions involve the hair follicle and surrounding tissue, often causing localized skin changes.
Clinical signs
Clinical features vary; refer to documentation. Typical findings may include follicular papules, pustules, inflammation, or scarring around hair-bearing areas, depending on the specific disorder recorded.
When to use this code
Use this code when the provider documents a follicular disorder but does not name a more specific condition that has its own ICD-10 code. It may also apply when the record describes an unspecified or other follicular process. Check documentation for the exact diagnosis and site.
Do not use for
Do not use L73 if the chart identifies a different, more specific skin disorder with its own code. Also avoid it when the documentation only supports a general rash or infection without follicular involvement.
Coding tip
Choose the most specific follicular diagnosis documented; if the record is vague, code the stated “other” or unspecified follicular disorder.