C96.6

Billable

Unifocal Langerhans-cell histiocytosis

Status

Billable / Specific

Chapter

2: Neoplasms

Block

C81-C96

Parent Code

C96

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)

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)

Excludes 2

Conditions not included here, but the patient may have both

Kaposi's sarcoma of lymph nodes (C46.3)
secondary and unspecified neoplasm of lymph nodes (C77.-)
secondary neoplasm of bone marrow (C79.52)
secondary neoplasm of spleen (C78.89)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code C96.6?

ICD-10-CM code C96.6 represents "Unifocal Langerhans-cell histiocytosis". It 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.

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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.