C96.6
BillableUnifocal Langerhans-cell histiocytosis
Unifocal Langerhans-cell histiocytosis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Eosinophilic granuloma
- Histiocytosis X, unifocal
- Histiocytosis X NOS
- Langerhans-cell histiocytosis NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(7)
C96.0Multifocal and multisystemic Langerhans-cell histiocytosis
C96.2Malignant mast cell neoplasm
C96.4Sarcoma of dendritic cells (accessory cells)
C96.5Multifocal and unisystemic Langerhans-cell histiocytosis
C96.9Malig neoplm of lymphoid, hematpoetc and rel tissue, unsp
C96.AHistiocytic sarcoma
C96.ZOth malig neoplm of lymphoid, hematpoetc and related tissue
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(207)
SNOMED CT
- Gastrointestinal eosinophilic granuloma7021009
- Langerhans cell histiocytosis, unifocal, gastrointestinal tract7021009
- Eosinophilic granuloma of lung28122003
- Isolated histiocytosis X of lung28122003
- Langerhans cell histiocytosis, unifocal, pulmonary28122003
- Pulmonary eosinophilic granuloma28122003
- Differentiated progressive histiocytosis65399007
- Histiocytosis X65399007
- LCH - Langerhan's cell histiocytosis65399007
- Langerhan's cell histiocytosis65399007
- Langerhans cell disease65399007
- Langerhans cell histiocytosis65399007
- Eosinophilic granuloma129000002
- Eosinophilic xanthomatous granuloma129000002
- Langerhans cell histiocytosis, unifocal129000002
- Langerhans cell histiocytosis, unifocal (clinical)129000002
- Eosinophilic granuloma of bone238476000
- Langerhans cell histiocytosis, unifocal, bone238476000
- Congenital self-healing histiocytosis404160007
- Hashimoto-Pritzker syndrome404160007
- Langerhans cell histiocytosis - Hashimoto-Pritzker type404160007
- Langerhans cell histiocytosis of lung417152008
- Pulmonary Langerhans cell histiocytosis417152008
- Pulmonary hypertension in systemic disorder697920006
- Pulmonary hypertension in Langerhans cell histiocytosis697922003
- Langerhans cell histiocytosis of diaper area707431006
- Langerhans cell histiocytosis of napkin area707431006
- Langerhans cell histiocytosis of skin707432004
UMLS
- Aleukemic Reticuloendothelioses, SystemicC0019621
- Aleukemic Reticuloendotheliosis, SystemicC0019621
- Cell Granulomatoses, LangerhansC0019621
- Cell Granulomatosis, LangerhansC0019621
- Cell Histiocytoses, LangerhansC0019621
- Cell Histiocytosis, LangerhansC0019621
- Chronic idiopathic xanthomatosisC0019621
- Differentiated progressive histiocytosisC0019621
- Disease, Schueller-ChristianC0019621
- Generalized HistiocytosesC0019621
- Generalized HistiocytosisC0019621
- Granulomatoses, Langerhans CellC0019621
- Granulomatosis, Langerhans CellC0019621
- Granulomatosis, Langerhans-CellC0019621
- Histiocytoses, GeneralizedC0019621
- Histiocytoses, Langerhans CellC0019621
- Histiocytoses, Type 2C0019621
- Histiocytosis XC0019621
- Histiocytosis X NOSC0019621
- Histiocytosis, GeneralizedC0019621
- Histiocytosis, Langerhans CellC0019621
- Histiocytosis, Langerhans-CellC0019621
- Histiocytosis, Type 2C0019621
- Histiocytosis-XC0019621
- LANGERHANS CELL HISTIOCYTOSISC0019621
- LCHC0019621
- LCH - Langerhan's cell histiocytosisC0019621
- Langerhan's cell histiocytosisC0019621
- Langerhans Cell GranulomatosesC0019621
- Langerhans Cell GranulomatosisC0019621
- Langerhans Cell HistiocytosesC0019621
- Langerhans Cell HistiocytosisC0019621
- Langerhans cell diseaseC0019621
- Langerhans cell granulomatosisC0019621
- Langerhans cell histiocytosisC0019621
- Langerhans cell histiocytosis (disorder)C0019621
- Langerhans' cell granulomatosisC0019621
- Langerhans' cell histiocytosisC0019621
- Langerhans' cell histiocytosis (morphologic abnormality)C0019621
- Langerhans-Cell GranulomatosisC0019621
- Langerhans-Cell HistiocytosisC0019621
- Langerhans-cell histiocytosis NOSC0019621
- Non Lipid ReticuloendotheliosisC0019621
- Non-Lipid ReticuloendotheliosesC0019621
- Non-Lipid ReticuloendotheliosisC0019621
- Reticuloendothelioses, Non-LipidC0019621
- Reticuloendothelioses, Systemic AleukemicC0019621
- Reticuloendotheliosis, Non-LipidC0019621
- Reticuloendotheliosis, Systemic AleukemicC0019621
- SCHUELLER CHRISTIAN DISC0019621
- Schueller Christian DiseaseC0019621
- Schueller-Christian DiseaseC0019621
- Systemic Aleukemic ReticuloendotheliosesC0019621
- Systemic Aleukemic ReticuloendotheliosisC0019621
- Type 2 HistiocytosesC0019621
- Type 2 HistiocytosisC0019621
- cell granulomatosis langerhansC0019621
- cell histiocytosis langerhanC0019621
- cell histiocytosis langerhansC0019621
- cells histiocytosis langerhansC0019621
- generalized histiocytosisC0019621
- histiocytosis XC0019621
- histiocytosis xC0019621
- histiocytosis-xC0019621
- langerhan's cell histiocytosisC0019621
- langerhans cell diseaseC0019621
- langerhans cell granulomatosisC0019621
- langerhans cell histiocytosisC0019621
- Eosinophilic GranulomaC0014461
- Eosinophilic GranulomasC0014461
- Eosinophilic Xanthomatous GranulomaC0014461
- Eosinophilic granulomaC0014461
- Eosinophilic granuloma (disorder)C0014461
- Eosinophilic granuloma (morphologic abnormality)C0014461
- Eosinophilic xanthomatous granulomaC0014461
- Granuloma, EosinophilicC0014461
- Granulomas, EosinophilicC0014461
- eosinophilic granulomaC0014461
- granuloma eosinophilicC0014461
- Histiocytosis X, unifocalC1306599
- Langerhans Cell Histiocytosis, MonostoticC1306599
- Langerhans cell granulomatosis, unifocalC1306599
- Langerhans cell histiocytosis, unifocalC1306599
- Langerhans cell histiocytosis, unifocal (clinical)C1306599
- Mono-ostotic Langerhans cell histiocytosisC1306599
- Monostotic Langerhans cell histiocytosisC1306599
- Monostotic Langerhans cell histiocytosis (morphologic abnormality)C1306599
- Unifocal Langerhans-cell histiocytosisC1306599
Clinical Terms
- Eosinophilic granuloma of lung
- Pulmonary hypertension in systemic disorder
- LANGERHANS CELL HISTIOCYTOSIS
- Eosinophilic Granulomas
- Langerhans cell histiocytosis, unifocal, gastrointestinal tract
- Langerhans' cell granulomatosis
- eosinophilic granuloma
- Langerhans cell histiocytosis, unifocal, bone
- LCH
- Type 2 Histiocytosis
- Langerhan's cell histiocytosis
- Langerhans' cell histiocytosis
- Eosinophilic granuloma of bone
- Langerhans' cell histiocytosis (morphologic abnormality)
- Systemic Aleukemic Reticuloendotheliosis
- granuloma eosinophilic
- Histiocytosis, Type 2
- Cell Histiocytosis, Langerhans
- Disease, Schueller-Christian
- Mono-ostotic Langerhans cell histiocytosis
- Langerhans cell histiocytosis of lung
- Langerhans cell histiocytosis (disorder)
- Histiocytoses, Type 2
- Histiocytoses, Generalized
- Langerhans cell disease
- Cell Granulomatosis, Langerhans
- cell granulomatosis langerhans
- cells histiocytosis langerhans
- SCHUELLER CHRISTIAN DIS
- Reticuloendotheliosis, Non-Lipid
- Reticuloendotheliosis, Systemic Aleukemic
- Non Lipid Reticuloendotheliosis
- Langerhans cell histiocytosis of skin
- Langerhans-Cell Histiocytosis
- cell histiocytosis langerhan
- Langerhans Cell Histiocytoses
- langerhans cell granulomatosis
- Non-Lipid Reticuloendothelioses
- Granulomatoses, Langerhans Cell
- Histiocytosis, Langerhans Cell
- cell histiocytosis langerhans
- Langerhans cell histiocytosis - Hashimoto-Pritzker type
- Granuloma, Eosinophilic
- Monostotic Langerhans cell histiocytosis (morphologic abnormality)
- Histiocytoses, Langerhans Cell
- Granulomas, Eosinophilic
- Chronic idiopathic xanthomatosis
- Histiocytosis X, unifocal
- Generalized Histiocytosis
- Langerhans cell granulomatosis, unifocal
- Histiocytosis X
- Eosinophilic granuloma (disorder)
- Congenital self-healing histiocytosis
- Eosinophilic Xanthomatous Granuloma
- Reticuloendothelioses, Systemic Aleukemic
- Type 2 Histiocytoses
- Differentiated progressive histiocytosis
- Pulmonary eosinophilic granuloma
- Schueller-Christian Disease
- Langerhans cell histiocytosis of diaper area
- Eosinophilic granuloma (morphologic abnormality)
- Langerhans-Cell Granulomatosis
- Aleukemic Reticuloendothelioses, Systemic
- histiocytosis-x
- Hashimoto-Pritzker syndrome
- Systemic Aleukemic Reticuloendothelioses
- Isolated histiocytosis X of lung
- Granulomatosis, Langerhans-Cell
- Granulomatosis, Langerhans Cell
- Langerhans cell histiocytosis, unifocal, pulmonary
- Histiocytosis, Generalized
- Langerhans-cell histiocytosis NOS
- Langerhans cell histiocytosis, unifocal (clinical)
- Pulmonary hypertension in Langerhans cell histiocytosis
- Langerhans Cell Granulomatoses
- Langerhans cell histiocytosis of napkin area
- Schueller Christian Disease
- Reticuloendothelioses, Non-Lipid
- Cell Histiocytoses, Langerhans
- Monostotic Langerhans cell histiocytosis
- Langerhans cell histiocytosis, unifocal
- Cell Granulomatoses, Langerhans
- Non-Lipid Reticuloendotheliosis
- Histiocytosis X NOS
- Langerhans Cell Histiocytosis, Monostotic
- Pulmonary Langerhans cell histiocytosis
- Aleukemic Reticuloendotheliosis, Systemic
- Generalized Histiocytoses
- Gastrointestinal eosinophilic granuloma
- Histiocytosis, Langerhans-Cell
- LCH - Langerhan's cell histiocytosis
Frequently Asked Questions
What is the ICD-10 code for unifocal langerhans-cell histiocytosis?
The ICD-10-CM code for unifocal langerhans-cell histiocytosis is C96.6. The full clinical description is "Unifocal Langerhans-cell histiocytosis". C96.6 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C96.6 mean?
ICD-10-CM code C96.6 represents “Unifocal Langerhans-cell histiocytosis”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C96.6 a billable code?
Yes, C96.6 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C96.6 in?
C96.6 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C96.6?
C96.6 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79); multifocal and multisysemic (disseminated) Langerhans-cell histiocytosis (C96.0); multifocal and unisystemic Langerhans-cell histiocytosis (C96.5).
What SNOMED CT codes does C96.6 map to?
C96.6 maps to 11 SNOMED CT concepts: 404160007, 65399007, 129000002, 238476000, 28122003, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C96.6?
C96.6 is linked to 3 UMLS Concept Unique Identifiers: C0019621, C0014461, C1306599. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C96.6 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unifocal langerhans-cell histiocytosis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of C96.6?
C96.6 maps to the ICD-11 code: 2B31.2Z (Langerhans cell histiocytosis, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.