2021 ICD-10-CM Code D59.13 - Mixed type autoimmune hemolytic anemia

Valid for Submission

D59.13 is a billable diagnosis code used to specify a medical diagnosis of mixed type autoimmune hemolytic anemia. The code D59.13 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code D59.13 might also be used to specify conditions or terms like autoimmune hemolytic anemia mixed type, chronic hemolytic anemia, cold autoimmune hemolytic anemia or warm autoimmune hemolytic anemia.

Code Classification

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50–D89)
- Hemolytic anemias (D55-D59)
  - Acquired hemolytic anemia (D59)

New 2021 ICD-10 Code

D59.13 is new to ICD-10 code set for the FY 2021, effective October 1, 2020. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This is a new and revised code for the FY 2021 (October 1, 2020 - September 30, 2021).

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 guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code D59.13:

Inclusion Terms

Mixed type autoimmune hemolytic disease
Mixed type, cold and warm, (primary) (secondary) (symptomatic) autoimmune hemolytic anemia

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 D59.13 are found in the index:

- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) - D64.9
- - hemolytic - D58.9
  - - autoimmune - D59.10
    - - mixed - D59.13
  - - mixed type (primary) (secondary) (symptomatic) - D59.13
  - - primary
    - - autoimmune
      - - mixed type - D59.13
  - - secondary - D59.4
    - - autoimmune
      - - mixed type - D59.13
  - - symptomatic - D59.4
    - - autoimmune
      - - mixed type - D59.13

- Disease, diseased - See Also: Syndrome;
- - autoimmune (systemic) NOS - M35.9
  - - hemolytic - D59.10
    - - mixed type (primary) (secondary) (symptomatic) - D59.13
- - hemolytic (newborn) - P55.9
  - - autoimmune - D59.10
    - - mixed type (primary) (secondary) (symptomatic) - D59.13

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Autoimmune hemolytic anemia mixed type
Chronic hemolytic anemia
Cold autoimmune hemolytic anemia
Warm autoimmune hemolytic anemia

Diagnostic Related Groups - MS-DRG Mapping

The ICD-10 code D59.13 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.

808 - MAJOR HEMATOLOGICAL AND IMMUNOLOGICAL DIAGNOSES EXCEPT SICKLE CELL CRISIS AND COAGULATION DISORDERS WITH MCC - Relative Weight: 2.1779
809 - MAJOR HEMATOLOGICAL AND IMMUNOLOGICAL DIAGNOSES EXCEPT SICKLE CELL CRISIS AND COAGULATION DISORDERS WITH CC - Relative Weight: 1.2217
810 - MAJOR HEMATOLOGICAL AND IMMUNOLOGICAL DIAGNOSES EXCEPT SICKLE CELL CRISIS AND COAGULATION DISORDERS WITHOUT CC/MCC - Relative Weight: 0.9607

Replacement Code

D5913 replaces the following previously assigned ICD-10 code(s):

D59.1 - Other autoimmune hemolytic anemias

Code History

FY 2021 - Code Added, effective from 10/1/2020 through 9/30/2021

ICD-10:	D59.13
Short Description:	Mixed type autoimmune hemolytic anemia
Long Description:	Mixed type autoimmune hemolytic anemia