L81.9 Disorder of pigmentation, unspecified

Billable ICD-10-CM code, FY2026.

Applies from L81 Other disorders of pigmentation

Excludes1 (never code together)

• birthmark NOS (Q82.5)
• Peutz-Jeghers syndrome (Q85.89)

Excludes2 (not included here)

• nevus - see Alphabetical Index

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 709.00 Dyschromia, unspecified

Diagnosis Index entries for L81.9

• Anomaly, anomalous (congenital) (unspecified type) › pigmentation
• Dermatosis › pigmentary
• Disorder (of) › pigmentation
• Dyschromia (skin)
• Lesion (s) (nontraumatic) › pigment, pigmented (skin)
• Pigmentation (abnormal) (anomaly)

Nearby codes

• L81.4 Other melanin hyperpigmentation
• L81.5 Leukoderma, not elsewhere classified
• L81.6 Other disorders of diminished melanin formation
• L81.7 Pigmented purpuric dermatosis
• L81.8 Other specified disorders of pigmentation
• L81.9 Disorder of pigmentation, unspecified (this code)