Functional disorders of polymorphonuclear neutrophils
In Other disorders of blood and blood-forming organs (D70-D77), chapter 3: Diseases of the Blood and Blood-Forming Organs
3 billable codes under D71: none are a CC or MCC; all map to HCC 115 (Specified Immunodeficiencies and White Blood Cell Disorders).An HCC counts toward a Medicare Advantage patient's risk score.
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 3 yet, so the general rules in Section I.B apply.
All codes under D71
D71 can't be used on a claim. Pick a billable code below; grey headings group them.
D71 MS-DRGs
As the principal diagnosis, all 3 billable codes under D71 group to MS-DRG 808, 809, or 810 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 808 Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders with MCC
- DRG 809 Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders with CC
- DRG 810 Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders without CC/MCC
Other codes that refer to D71
Notes on these codes point to D71.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Blood Disorders
Your blood is living tissue made up of liquid and solids. The liquid part, called plasma, is made of water, salts and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells and platelets.
Read more about blood disorders on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- 288.1 Functional disorders of polymorphonuclear neutrophils