D73.4 ICD-10-CA code: Cyst of spleen

D73.4 is the ICD-10-CA code for “Cyst of spleen” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

D73.4

Cyst of spleen

ICD-10-CA · Canada · Also written D734

Index terms

Entries in CIHI’s alphabetical index that lead to D73.4. Searching the index by the condition the note names is how coders reach this code.

  • Cyst (colloid) (mucous) (retention) (simple), spleen NEC

Notes for D73.4

As CIHI prints them, with any note D73.4 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Autoimmune disease (systemic) NOS (M35.9)certain conditions originating in the perinatal period (P00-P96)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)human immunodeficiency virus [HIV] disease (B24)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

Where D73.4 sits

  1. 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
  2. 2Block D70-D77Other diseases of blood and blood-forming organs
  3. 3Category D73Diseases of spleen
  4. 4Valid code D73.4Cyst of spleen

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code D73.4 mean?

D73.4 is the ICD-10-CA code for “Cyst of spleen” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is D73.4 in ICD-10-CA?

D73.4 sits under D73 Diseases of spleen, within D70-D77 Other diseases of blood and blood-forming organs, within Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).

What coding notes apply to D73.4?

ICD-10-CA lists Excludes notes for D73.4, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.