2026 ICD-10-CM Diagnosis Code D61.818Other pancytopenia

ICD-10-CM Codes›D50–D89›D60-D64›D61

ICD-10-CM D61.818
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D61.818 is a billable ICD-10-CM diagnosis code for other pancytopenia. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 808 through 810. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Aplastic anemia.

Code Identity

ICD-10-CM Code
D61.818
Billable Status
Yes — Valid for Submission
Code Describes
Other pancytopenia
Short Description
Other pancytopenia
Same as the full description in the CMS dataset.
Parent Code
D61.81
Pancytopenia

Code Classification

ChapterD50–D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
SectionD60-D64Aplastic and other anemias and other bone marrow failure syndromes
CategoryD61Other aplastic anemias and other bone marrow failure syndromes
This CodeD61.818Other pancytopenia

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acquired pancytopenia
  • Ataxia pancytopenia syndrome
  • Autoimmune leukopenia
  • Autoimmune pancytopenia
  • Disorder of hematopoietic system in newborn
  • Doan-Wright syndrome
  • Hemophagocytic lymphohistiocytosis
  • Neonatal anemia
  • Neonatal thrombocytopenia
  • NOCARH syndrome
  • Pancytopenia
  • Pancytopenia due to IKZF1 mutations
  • Pancytopenia with pancreatitis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Abnormal, abnormality, abnormalities
      • chemistry, blood
        • pancytopenia
    • Pancytopenia(acquired)

Clinical ClassificationClinical

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

CCSR BLD003
Aplastic anemia
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Pancytopenia

    deficiency of all three cell elements of the blood, erythrocytes, leukocytes and platelets.

  • Antineoplastic Chemotherapy Induced Pancytopenia|Antineoplastic chemotherapy induced pancytopenia

    evidence of antineoplastic chemotherapy induced pancytopenia.

  • Ataxia-Pancytopenia Syndrome|ATXPC

    an inherited condition caused by autosomal dominant mutation(s) in the samd9l gene, encoding sterile alpha motif domain-containing protein 9-like. the condition is characterized by cerebellar ataxia, variable hematologic cytopenias, and predisposition to bone marrow failure and myeloid leukemia.

  • Drug Induced Pancytopenia|Drug-Induced Pancytopenia

    pancytopenia caused by exposure to certain drugs.

  • Fanconi Anemia|Fanconi's Anemia|Fanconi's anemia|Pancytopenia, Congenital|Panmyelopathy, Fanconi|Primary Erythroid Hypoplasia

    an autosomal recessive genetic disorder characterized by bone marrow failure, skeletal abnormalities, and an increased incidence of the development of neoplasias.

  • Other Drug-Induced Pancytopenia|Other drug-induced pancytopenia

    evidence of other drug-induced pancytopenia not specified elsewhere.

  • Other Pancytopenia|Other pancytopenia

    evidence of other pancytopenia not specified elsewhere.

  • Pancytopenia

    a finding of low numbers of red and white blood cells and platelets in the peripheral blood.

  • SAMD9L-Related Ataxia Pancytopenia Syndrome|ATXPC|SAMD9L-ATXPC

    an autosomal dominant inherited syndrome caused by germline mutations of the samd9l gene. it is characterized by cerebellar ataxia, cytopenia in all cell lineages, and predisposition to myelodysplasia and myeloid leukemia.

  • Neonatal Alloimmune Thrombocytopenia|NAIT|Neonatal Thrombocytopenia due to Platelet Alloimmunization

    thrombocytopenia that occurs in neonates as a consequence of transplacental passage of maternal alloantibodies directed against fetal platelet antigens.

  • Neonatal Thrombocytopenia

    a condition characterized by a decrease in the number of platelets in the blood below established reference ranges in a newborn.

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 D61.818 to ICD-9-CMHistory

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

ICD-9-CM
284.19 Other pancytopenia
Exact Match The mapping is direct, with no qualifiers.

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 D61.818Overview

Is D61.818 (Pancytopenia) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other pancytopenia on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does D61.818 group to?

When other pancytopenia is the principal diagnosis on an inpatient stay, it groups to MS-DRG 808, 809, 810, with relative weights from 1.0466 to 2.2079 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of D61.818?

Under the General Equivalence Mappings, other pancytopenia converts to ICD-9-CM 284.19 (other pancytopenia). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.