L73Non-billableSave
L73 - Other follicular disorders
ICD-10-CM Chapter 12: Diseases of the skin and subcutaneous tissue · L60-L75 Disorders of skin appendages (L60-L75) · Top-level category · FY2027
Coding Guidance
L73 is a non-billable heading. Report one of the 5 more specific codes below.
Includes, Excludes and Coding Notes
Excludes 1 — Not Coded HereFrom L60-L75 Disorders of skin appendages (L60-L75)
Mutually exclusive: these conditions are never reported together with this code.
- congenital malformations of integument (Q84.-)
Excludes 2 — Not Included HereFrom Chapter L00-L99
Not part of this code; report both codes when the patient has both conditions.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
More Specific Codes (5)
Related condition guides
Documentation requirements, coding pitfalls and FAQs for conditions coded with L73.
Chapter Information
Related ICD-10 Codes
More specific codes for L73
Other categories in this chapter
Codes at the same level as L73
- Staphylococcal scalded skin syndromeL00
- ImpetigoL01
- Cutaneous abscess, furuncle and carbuncleL02
- Cellulitis and acute lymphangitisL03
- Acute lymphadenitisL04
- Pilonidal cyst and sinusL05
- Other local infections of skin and subcutaneous tissueL08
- PemphigusL10
- Other acantholytic disordersL11
- PemphigoidL12
- Other bullous disordersL13
- Bullous disorders in diseases classified elsewhereL14
- Atopic dermatitisL20
- Seborrheic dermatitisL21
- Diaper dermatitisL22
- Allergic contact dermatitisL23
- Irritant contact dermatitisL24
- Unspecified contact dermatitisL25
- Exfoliative dermatitisL26
- Dermatitis due to substances taken internallyL27
- Lichen simplex chronicus and prurigoL28
- PruritusL29
- Other and unspecified dermatitisL30
- PsoriasisL40
- ParapsoriasisL41
- Pityriasis roseaL42
- Lichen planusL43
- Other papulosquamous disordersL44
- Papulosquamous disorders in diseases classified elsewhereL45
- Exfoliation due to erythematous conditions according to extent of body surface involvedL49
- UrticariaL50
- Erythema multiformeL51
- Erythema nodosumL52
- Other erythematous conditionsL53
- Erythema in diseases classified elsewhereL54
- SunburnL55
- Other acute skin changes due to ultraviolet radiationL56
- Skin changes due to chronic exposure to nonionizing radiationL57
- RadiodermatitisL58
- Other disorders of skin and subcutaneous tissue related to radiationL59
33 more in this chapter.