2026 ICD-10-CM Diagnosis Code D73Diseases of spleen

ICD-10-CM Codes›D50–D89›D70-D77›D73

ICD-10-CM D73
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D73 is a non-billable ICD-10-CM category code for diseases of spleen, so it cannot be submitted on claims. Use a more specific code from this category instead, such as D73.0, D73.1, D73.2, and D73.3.

Code Identity

ICD-10-CM Code
D73
Billable Status
No — Non-Billable Category
Code Describes
Diseases of spleen
Chapter
D70-D77
Other disorders 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
CategoryD73Diseases of spleen
This CodeD73Diseases of spleen

Specific Coding for Diseases of spleenOverview

Non-specific codes like D73 require more characters. Use one of these billable codes instead:

  • Use D73.0 for Hyposplenism

  • Use D73.1 for Hypersplenism

  • Use D73.2 for Chronic congestive splenomegaly

  • Use D73.3 for Abscess of spleen

  • Use D73.4 for Cyst of spleen

  • Use D73.5 for Infarction of spleen

  • D73.8 for Other diseases of spleen

  • Use D73.81 for Neutropenic splenomegaly

  • Use D73.89 for Other diseases of spleen

  • Use D73.9 for Disease of spleen, unspecified

Patient EducationClinical

Spleen Diseases

Your spleen is an organ above your stomach and under your ribs on your left side. It is about as big as your fist. The spleen is part of your lymphatic system, which fights infection and keeps your body fluids in balance. It contains white blood cells that fight germs.

Read the full article at MedlinePlus

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

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 D73Overview

Is D73 (Diseases of spleen) a billable code?

No. This is a category header that groups the codes for diseases of spleen, and headers cannot be submitted on claims. Claims for diseases of spleen need a more specific code from this category, such as D73.0, D73.1, and D73.2.