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ICD-10-CM Code C91.40
Hairy cell leukemia not having achieved remission

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

C91.40 is a billable ICD code used to specify a diagnosis of hairy cell leukemia not having achieved remission. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code C914 is used to code Hairy cell leukemia

Hairy cell leukemia is an uncommon hematological malignancy characterized by an accumulation of abnormal B lymphocytes. It is usually classified as a sub-type of chronic lymphoid leukemia. Hairy cell leukemia makes up approximately 2% of all leukemias, with fewer than 2,000 new cases diagnosed annually in North America and Western Europe combined.

Specialty: Hematology And Oncology
MeSH Code: D007943
ICD 9 Code: 202.4

Source: Wikipedia

Coding Notes for C91.40 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Hairy cell leukemia with failed remission
Hairy cell leukemia NOS

MS-DRG Mapping

  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with MCC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with CC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses without CC or MCC.
  • DRG Group #820-822 - Lymphoma and leukemia with major operating room procedure with MCC.
  • DRG Group #820-822 - Lymphoma and leukemia with major operating room procedure with CC.
  • DRG Group #820-822 - Lymphoma and leukemia with major operating room procedure without CC or MCC.
  • DRG Group #823-825 - Lymphoma and non-acute leukemia with other operating room procedure with MCC.
  • DRG Group #823-825 - Lymphoma and non-acute leukemia with other operating room procedure with CC.
  • DRG Group #823-825 - Lymphoma and non-acute leukemia with other operating room procedure without CC or MCC.
  • DRG Group #840-842 - Lymphoma and non-acute leukemia with MCC.
  • DRG Group #840-842 - Lymphoma and non-acute leukemia with CC.
  • DRG Group #840-842 - Lymphoma and non-acute leukemia without CC or MCC.

Related Concepts SNOMET-CT

  • Leukemic reticuloendotheliosis of lymph nodes of head, face and neck (disorder)
  • Leukemic reticuloendotheliosis of lymph nodes of inguinal region and lower limb (disorder)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Leukemic reticuloendotheliosis, unspecified site, extranodal and solid organ sites (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code C91.40 and a single ICD9 code, 202.40 is an approximate match for comparison and conversion purposes.


Parent Code: C91.4 - Hairy cell leukemia

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/C9140