D89.44 is a billable ICD-10 code used to specify a medical diagnosis of hereditary alpha tryptasemia. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.
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 this diagnosis code:
Use Additional CodeUse 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 References
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 this diagnosis code are found in the injuries and diseases index:
- - Hereditary alpha tryptasemia (syndrome) - D89.44
- - Tryptasemia, hereditary alpha - D89.44
D8944 replaces the following previously assigned ICD-10 code(s):
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - Code Added, effective from 10/1/2021 through 9/30/2022