L83

Acanthosis nigricans

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 10 never code together

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
lipomelanotic reticulosis (I89.8)I89.8
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
systemic connective tissue disorders (M30-M36)M30-M36
viral warts (B07.-)B07.-

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1

L83code

Inclusion terms

Index entries leading here 4

Acanthosis (acquired) (nigricans) L83
Papillomatosis — see also Neoplasm, benign, by site
- confluent and reticulated L83
Gougerot-Carteaud disease or syndrome (confluent reticulate papillomatosis) L83
Keratosis L57.0
- nigricans L83

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.