D73

Non-billable

Diseases of spleen

D73 is the ICD-10-CM code for Diseases of spleen. It is a non-billable category code — use a more specific child code such as D73.0 for billing.

Status
Header (non-billable)
Chapter
D50-D89
Subcodes
8
Edition
FY2026

D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

What this means — in plain language

MedlinePlus · NIH

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. Your spleen also helps control the amount of blood in your body, and destroys old and damaged cells. Certain diseases might cause your spleen to…

Read more about Spleen Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code D73?
D73 is the ICD-10-CM code for "Diseases of spleen". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
Is D73 a billable code?
No — D73 is a non-billable header code. Use a more specific child code (such as D73.0) for billing.
What are the subcodes of D73?
D73 has 8 more specific child codes, including D73.0, D73.1, D73.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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