Is ICD-10-CM code D72 billable?

No, D72 (Other disorders of white blood cells) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code D72 belong to?

D72 belongs to Chapter 3 of the ICD-10-CM tabular list: D50–D89 (Diseases of the Blood and Blood-Forming Organs).

D72Not billable, use a more specific code below

Other disorders of white blood cells

In Other disorders of blood and blood-forming organs (D70-D77), chapter 3: Diseases of the Blood and Blood-Forming Organs

22 billable codes under D72: none are a CC or MCC; 1 map to HCC 115 (Specified Immunodeficiencies and White Blood Cell Disorders).An HCC counts toward a Medicare Advantage patient's risk score.

Instructional notes

Excludes1: not coded here, use a different code

basophilia (D72.824)
immunity disorders (D80-D89)
preleukemia (syndrome) (D46.9)

Excludes2: not included here, code separately if applicable

neutropenia (D70)

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.

Read Section I.C.3 (page 39)

All codes under D72

D72 can't be used on a claim. Pick a billable code below; grey headings group them.

D72 MS-DRGs

As the principal diagnosis, the billable codes under D72 group to MS-DRG 814, 815, 816, 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 814 Reticuloendothelial and Immunity Disorders with MCC (21 of 22 codes)
DRG 815 Reticuloendothelial and Immunity Disorders with CC (21 of 22 codes)
DRG 816 Reticuloendothelial and Immunity Disorders without CC/MCC (21 of 22 codes)
DRG 808 Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders with MCC (1 of 22 codes)
DRG 809 Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders with CC (1 of 22 codes)
DRG 810 Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders without CC/MCC (1 of 22 codes)

Other codes that refer to D72

Notes on these codes point to D72.

R70-R79 Excludes2: abnormalities of white blood cells classified elsewhere (D70-D72)

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.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.