ICD-10-CM › L00-L99 › L80-L99 › L81 Other disorders of pigmentation › L81.9
Disorder of pigmentation, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Disorder of pigmentation, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from L81 Other disorders of pigmentation
Excludes1 - never coded here
- birthmark NOS (Q82.5)
- Peutz-Jeghers syndrome (Q85.89)
Excludes2 - not included here
- nevus - see Alphabetical Index
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Cleft
- Extra
- Fused
- Patent
- Trifid
- Triple
- Window
- Aplasia
- Aberrant
- Patulous
- Abnormity
- Asymmetry
- Dysplasia
- Additional
- Lobulation
- Nonclosure
- Nondescent
- Fold, folds
- Rudimentary
- Undescended
- Malformation
- Triplication
- Transposition
- Birth > defect
- Maldevelopment
- Septum, septate
- Union, abnormal
- Hyperpigmentation
- Imperfect > fusion
- Vestige, vestigial
- Duplication, duplex
- Lesion > congenital
- Pervious, congenital
- Elongated, elongation
- Open, opening > false
- Termination > anomalous
- Heterotopia, heterotopic
- Implantation > anomalous
- Segmentation, incomplete
- Subluxation > congenital
Showing 40 of 103 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| L81.0 | Postinflammatory hyperpigmentation | Valid |
| L81.1 | Chloasma | Valid |
| L81.2 | Freckles | Valid |
| L81.3 | Cafe au lait spots | Valid |
| L81.4 | Other melanin hyperpigmentation | Valid |
| L81.5 | Leukoderma, not elsewhere classified | Valid |
| L81.6 | Other disorders of diminished melanin formation | Valid |
| L81.7 | Pigmented purpuric dermatosis | Valid |
| L81.8 | Other specified disorders of pigmentation | Valid |