2022 ICD-10-CM Code D89.44

Hereditary alpha tryptasemia

Version 2021

Valid for Submission

ICD-10:D89.44
Short Description:Hereditary alpha tryptasemia
Long Description:Hereditary alpha tryptasemia

Code Classification

  • Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50–D89)
    • Certain disorders involving the immune mechanism (D80-D89)
      • Oth disorders involving the immune mechanism, NEC (D89)

D89.44 is a billable diagnosis code used to specify a medical diagnosis of hereditary alpha tryptasemia. The code D89.44 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

New 2022 ICD-10 Code

D89.44 is new to ICD-10 code set for the FY 2022, effective October 1, 2021. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2021. This is a new and revised code for the FY 2022 (October 1, 2021 - September 30, 2022).

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code D89.44:


Use Additional Code

Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code D89.44 are found in the index:

Replacement Code

D8944 replaces the following previously assigned ICD-10 code(s):

Code History