Valid for Submission
D55.21 is a billable diagnosis code used to specify a medical diagnosis of anemia due to pyruvate kinase deficiency. The code D55.21 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
D55.21 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 D55.21:
Inclusion TermsInclusion 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.
- PK deficiency anemia
- Pyruvate kinase deficiency 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 D55.21 are found in the index:
- - Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) - D64.9
Diagnostic Related Groups - MS-DRG Mapping
|MS-DRG||MS-DRG Title||MCD||Relative Weight|
|811||RED BLOOD CELL DISORDERS WITH MCC||16||1.3776|
|812||RED BLOOD CELL DISORDERS WITHOUT MCC||16||0.8797|
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
D5521 replaces the following previously assigned ICD-10 code(s):