204 OHIP code: Malignant Neoplasms: Lymphoid leukemia (including lymphatic and histiocytic leukemia)

204 is the OHIP diagnostic code for “Malignant Neoplasms: Lymphoid leukemia (including lymphatic and histiocytic leukemia)” in Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026.

Official description

204

Malignant Neoplasms: Lymphoid leukemia (including lymphatic and histiocytic leukemia)

OHIP diagnostic codes (ICD-9) · Ontario

Notes for 204

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 204 or the headings above it.

Where 204 sits

  1. 1SectionNeoplasms
  2. 2Valid code 204Malignant Neoplasms: Lymphoid leukemia (including lymphatic and histiocytic leukemia)

Source and release

Data release
OHIP · March 2026
Effective date
Mar 13, 2026

This page is built from the OHIP catalog that Vero Codes reads when it suggests codes: Ontario Ministry of Health’s March 2026 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 OHIP diagnostic code 204 mean?

204 is the OHIP diagnostic code for “Malignant Neoplasms: Lymphoid leukemia (including lymphatic and histiocytic leukemia)” in Ontario Ministry of Health’s OHIP March 2026 release.

Where is 204 in the OHIP list?

204 is listed under Neoplasms.

What coding notes apply to 204?

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 204 or the headings above it.

Which OHIP release does this page use?

It uses Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.