L81.9
Disorder of pigmentation, unspecified
BillableComplete code, valid to report
L81.9 (also written L819) is a billable ICD-10-CM diagnosis code for disorder of pigmentation, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 10 codes in category L81 (Other disorders of pigmentation). The Alphabetic Index lists it under 6 entries. Its coding notes include 2 Excludes1 entries and 11 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Inherited from L81 Other disorders of pigmentation
- nevus - see Alphabetical Index
Also from chapter/block level (10 notes)
Inherited from Chapter 12 Diseases of the skin and subcutaneous tissue
- 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.-)
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 6 entries