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D73.1

Billable

Hypersplenism

D73.1 is the ICD-10-CM code for Hypersplenism. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
D50-D89
Parent
D73
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.

Excludes1 — not coded here

  • •neutropenic splenomegaly (D73.81)
  • •primary splenic neutropenia (D73.81)
  • •splenitis, splenomegaly in late syphilis (A52.79)
  • •splenitis, splenomegaly in tuberculosis (A18.85)
  • •splenomegaly NOS (R16.1)
  • •splenomegaly congenital (Q89.0)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH
Abscess

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code D73.1?
D73.1 is the ICD-10-CM code for "Hypersplenism". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
Is D73.1 a billable code?
Yes — D73.1 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from D73.1?
Excludes1 (not coded here): neutropenic splenomegaly (D73.81); primary splenic neutropenia (D73.81); splenitis, splenomegaly in late syphilis (A52.79); splenitis, splenomegaly in tuberculosis (A18.85).

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

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