ICD-10 Code for Pigmentation

Also indexed as (abnormal) (anomaly)

The ICD-10-CM code for pigmentation is L81.9 — Disorder of pigmentation, unspecified. This is the code the Alphabetic Index gives for pigmentation with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

L81.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which pigmentation code should you use?

The Alphabetic Index lists 10 codes under Pigmentation. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

conjunctivaH11.13Not billableConjunctival pigmentations
corneaH18.01Not billableAnterior corneal pigmentations
diminished melanin formation NECL81.6Other disorders of diminished melanin formation
ironL81.8Other specified disorders of pigmentation
lids, congenitalQ82.8Other specified congenital malformations of skin
metalsL81.8Other specified disorders of pigmentation
optic papilla, congenitalQ14.2Congenital malformation of optic disc
retina, congenitalQ14.1Congenital malformation of retina
scrotum, congenitalQ82.8Other specified congenital malformations of skin
tattooL81.8Other specified disorders of pigmentation

Pigmentation cornea

posteriorH18.05Not billablePosterior corneal pigmentations
stromalH18.06Not billableStromal corneal pigmentations

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources