2026 ICD-10-CM Diagnosis Code D75.9Disease of blood and blood-forming organs, unspecified

ICD-10-CM Codes›D50–D89›D70-D77›D75

ICD-10-CM D75.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D75.9 is a billable ICD-10-CM diagnosis code for disease of blood and blood-forming organs, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 814 through 816. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified hematologic conditions.

Code Identity

ICD-10-CM Code
D75.9
Billable Status
Yes — Valid for Submission
Code Describes
Disease of blood and blood-forming organs, unspecified
Short Description
Disease of blood and blood-forming organs, unspecified
Same as the full description in the CMS dataset.
Parent Code
D75
Other and unspecified diseases of blood and blood-forming organs

Code Classification

ChapterD50–D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
SectionD70-D77Other disorders of blood and blood-forming organs
CategoryD75Other and unspecified diseases of blood and blood-forming organs
This CodeD75.9Disease of blood and blood-forming organs, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal hematopoiesis
  • Blood disorder treatment changed
  • Blood disorder treatment started
  • Bone marrow disorder
  • Cytopenia caused by drug
  • Disorder of bone marrow caused by ionizing radiation
  • Disorder of cellular component of blood caused by antiretroviral drug
  • Disorder of hematopoietic morphology
  • Disorder of hematopoietic structure
  • Disorder of lymphoid system
  • Extramedullary hematopoiesis
  • Extramedullary myelopoiesis
  • Gingival disease exacerbated by disorder of cellular component of blood
  • Gingivitis due to disorder of cellular component of blood
  • Glomerular disease due to hematological disease
  • Glomerular disorders in blood diseases and disorders involving the immune mechanism
  • Hematologic complication of procedure
  • Hematopoietic system disease with AIDS
  • Hereditary disorder of cellular element of blood
  • Hereditary red blood cell disorder
  • Leukoerythroblastotic reaction
  • Light chain nephropathy
  • Light chain nephropathy due to plasma cell dyscrasia
  • Neuropathy in blood dyscrasias
  • Non-anemic red cell disorder
  • Osteoporotic bone marrow defect
  • Periodontitis co-occurrent with hematologic disorder
  • Pulmonary hypertension due to hematological disorder
  • Pulmonary hypertension due to post-splenectomy hematological disorder
  • Pyoderma gangrenosum due to hematological disorder
  • Red blood cell disorder
  • Renal involvement in malignant disease

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR BLD010
Other specified and unspecified hematologic conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

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 the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert D75.9 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
289.9 Blood disease NOS
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About D75.9Overview

What is the ICD-10 code for disease of blood and blood-forming organs, unspecified?

The ICD-10-CM code for disease of blood and blood-forming organs, unspecified is D75.9 (sometimes written as D759). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is D75.9 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report disease of blood and blood-forming organs, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does D75.9 group to?

When disease of blood and blood-forming organs, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 814, 815, 816, with relative weights from 0.6320 to 2.1267 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of D75.9?

Under the General Equivalence Mappings, disease of blood and blood-forming organs, unspecified converts to ICD-9-CM 289.9 (blood disease NOS). The mapping is approximate, so confirm the match fits the documentation.