D73.0

Billable

ChapterD50–D89

Ranksubcategory

Official Description

Hyposplenism

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).

Instructional Notes

Includes

Atrophy of spleen

Excludes1(Not coded here)

asplenia (congenital) (Q89.01)
postsurgical absence of spleen (Z90.81)

General instructions are available for the parent sections:

View CH3 Notes

Clinical Hierarchy

CH3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

D70-D77Other disorders of blood and blood-forming organs (D70-D77)

D73Diseases of spleen

D73.0Hyposplenism

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D73.0:

chapterCH3

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

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to D73.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths

Asplenia (congenital)1 unique routes

functional→D73.0

Atrophy, atrophic (of)1 unique routes

spleen (senile)→D73.0

Cachexia1 unique routes

splenica→D73.0

Degeneration, degenerative1 unique routes

spleen→D73.0

Hyposplenism1 unique routes

Direct index entry→D73.0

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 814

Reticuloendothelial and Immunity Disorders with MCC

DRG 815

Reticuloendothelial and Immunity Disorders with CC

DRG 816

Reticuloendothelial and Immunity Disorders without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

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