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U07.7 ICD-10-CA code: COVID-19 vaccines causing adverse effects in therapeutic use

U07.7 is the ICD-10-CA code for “COVID-19 vaccines causing adverse effects in therapeutic use” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

U07.7

COVID-19 vaccines causing adverse effects in therapeutic use

Short description: COVID-19 vaccines caus adv eff tx use

ICD-10-CA · Canada · Also written U077

Notes for U07.7

As CIHI prints them, with any note U07.7 takes from the headings above it.

Includes

  • Correct administration of COVID-19 vaccine in prophylactic therapeutic use as the cause of any adverse effect.
  • Codes U00-U49 are to be used by WHO for the provisional assignment of new diseases of uncertain etiology. In emergency situations codes are not always accessible in electronic systems. The specification of categories U07 in the way it is done here will make sure this category and the subcategories are available in every electronic system at any time and that they can be used upon instruction by WHO, immediately.From U07 Emergency use of U07

Excludes

Conditions classified elsewhere.

  • Accidents in the technique of administration of drugs, medicaments and biological substances in medical and surgical procedures (Y60-Y69)

Note

  • This code is to be used as an external cause code (i.e. under category Y59 Other and unspecified vaccines and biological substances). A
  • code from another chapter must be assigned first to indicate the nature of the adverse effect.

Where U07.7 sits

  1. 1ChapterChapter 23: Provisional Codes for Research and Temporary Assignment
  2. 2Block U00-U49Provisional codes for temporary assignment by World Health Organization of new diseases of uncertain etiology or emergency use
  3. 3Category U07Emergency use of U07
  4. 4Valid code U07.7COVID-19 vaccines causing adverse effects in therapeutic use

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.

See U07.7 in the CIHI source

Frequently asked questions

What does ICD-10-CA code U07.7 mean?

U07.7 is the ICD-10-CA code for “COVID-19 vaccines causing adverse effects in therapeutic use” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is U07.7 in ICD-10-CA?

U07.7 sits under U07 Emergency use of U07, within U00-U49 Provisional codes for temporary assignment by World Health Organization of new diseases of uncertain etiology or emergency use, within Chapter 23: Provisional Codes for Research and Temporary Assignment.

What coding notes apply to U07.7?

ICD-10-CA lists Note, Includes, Excludes notes for U07.7, 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.

Codes beside U07.7

U07.0Vaping-related disorderU07.1Coronavirus disease 2019 [COVID-19], virus identifiedU07.2Coronavirus disease 2019 [COVID-19], virus not identifiedU07.3Multisystem inflammatory syndrome associated with COVID-19U07.4Post COVID-19 conditionU07.5Personal history of COVID-19U07.6Need for immunization against COVID-19