2022 ICD-10-CM Code D75.839

Thrombocytosis, unspecified

Version 2021

Valid for Submission

ICD-10:D75.839
Short Description:Thrombocytosis, unspecified
Long Description:Thrombocytosis, unspecified

Code Classification

  • Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50–D89)
    • Other disorders of blood and blood-forming organs (D70-D77)
      • Other and unsp diseases of blood and blood-forming organs (D75)

D75.839 is a billable diagnosis code used to specify a medical diagnosis of thrombocytosis, unspecified. The code D75.839 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

Unspecified diagnosis codes like D75.839 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

New 2022 ICD-10 Code

D75.839 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 D75.839:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a 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 D75.839 are found in the index:

Clinical Information

Replacement Code

D75839 replaces the following previously assigned ICD-10 code(s):

Code History