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Z38.3 ICD-10-CA subcategory: Twin, born in hospital

Z38.3 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.

Official description

Z38.3

Twin, born in hospital

ICD-10-CA · Canada · Also written Z383

Codes in Z38.3

Z38.3 isn’t a code on its own. Open the group that matches what the note documents.

Z38.30Twin, born in hospital, delivered vaginally (2 codes)Z38.31Twin, born in hospital, delivered by caesarean (2 codes)

Notes for Z38.3

As CIHI prints them, with any note Z38.3 takes from the headings above it.

Note

  • Assisted reproductive technology includes ovulation induction, intracytoplasmic sperm injection (ICSI), embryo transfer, and in vitro fertilization (IVF).
  • This chapter should not be used for international comparison or for primary mortality coding.Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as "diagnoses" or "problems". This can arise in two main ways:(a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination or to discuss a problem which is in itself not a disease or injury.(b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury. Such factors may be elicited during population surveys, when the person may or may not be currently sick, or be recorded as an additional factor to be borne in mind when the person is receiving care for some illness or injury.From Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

Where Z38.3 sits

  1. 1ChapterChapter 21: Factors influencing health status and contact with health services (Z00-Z99)
  2. 2Block Z30-Z39Persons encountering health services in circumstances related to reproduction
  3. 3Category Z38Liveborn infants according to place of birth
  4. 4Subcategory Z38.3Twin, born in hospital

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 Z38.3 in the CIHI source

Frequently asked questions

Is Z38.3 a valid ICD-10-CA code?

No. Z38.3 (Twin, born in hospital) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 4 codes; record the one the documentation supports.

Where is Z38.3 in ICD-10-CA?

Z38.3 sits under Z38 Liveborn infants according to place of birth, within Z30-Z39 Persons encountering health services in circumstances related to reproduction, within Chapter 21: Factors influencing health status and contact with health services (Z00-Z99).

What coding notes apply to Z38.3?

ICD-10-CA lists Note notes for Z38.3, 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 Z38.3

Z38.0Singleton, born in hospitalZ38.1Singleton, born outside hospitalZ38.2Singleton, unspecified as to place of birthZ38.4Twin, born outside hospitalZ38.5Twin, unspecified as to place of birthZ38.6Other multiple, born in hospitalZ38.7Other multiple, born outside hospitalZ38.8Other multiple, unspecified as to place of birth