2025
ICD-10-CM
Diagnosis
Code

C96.6 Unifocal Langerhans-cell histiocytosis

Billable
2016–2025

C96.6 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Unifocal Langerhans-cell histiocytosis.

Inclusion term

Eosinophilic granuloma
Histiocytosis X, unifocal
Histiocytosis X NOS
Langerhans-cell histiocytosis NOS

Type 1 excludes

Multifocal and multisysemic (disseminated) Langerhans-cell histiocytosis (C96.0)
Multifocal and unisystemic Langerhans-cell histiocytosis (C96.5)

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code