P05.99 ICD-10-CA code: Unspecified intrauterine growth restriction [IUGR]
P05.99 is the ICD-10-CA code for “Unspecified intrauterine growth restriction [IUGR]” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
P05.99Unspecified intrauterine growth restriction [IUGR]
Short description: Unspecified IUGR
ICD-10-CA · Canada · Also written P0599
Index terms
Entries in CIHI’s alphabetical index that lead to P05.99. Searching the index by the condition the note names is how coders reach this code.
- Restriction, intrauterine (growth), unspecified
Notes for P05.99
As CIHI prints them, with any note P05.99 takes from the headings above it.
Includes
- Fetal growth restriction NOSIntrauterine fetal growth restriction [IUGR]Light for datesLight for gestational age (usually referred to as weight below but length above 10th centile for gestational age)Small and light for datesSmall for datesSmall for gestational age (usually referred to as weight and length below 10th centile for gestational age)From P05.9 Slow fetal growth, unspecified
- Conditions that have their origin in the perinatal period even though death or morbidity occurs laterFrom Chapter 16: Certain conditions originating in the perinatal period (P00-P96)
Excludes
Conditions classified elsewhere.
- Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)tetanus neonatorum (A33)whooping cough (A37.-)From Chapter 16: Certain conditions originating in the perinatal period (P00-P96)
Where P05.99 sits
- 1ChapterChapter 16: Certain conditions originating in the perinatal period (P00-P96)
- 2Block P05-P08Disorders related to length of gestation and fetal growth
- 3Category P05Slow fetal growth and fetal malnutrition
- 4Subcategory P05.9Slow fetal growth, unspecified
- 5Valid code P05.99Unspecified intrauterine growth restriction [IUGR]
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 P05.99 mean?
P05.99 is the ICD-10-CA code for “Unspecified intrauterine growth restriction [IUGR]” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is P05.99 in ICD-10-CA?
P05.99 sits under P05.9 Slow fetal growth, unspecified, within P05 Slow fetal growth and fetal malnutrition, within P05-P08 Disorders related to length of gestation and fetal growth, within Chapter 16: Certain conditions originating in the perinatal period (P00-P96).
What coding notes apply to P05.99?
ICD-10-CA lists Includes, Excludes notes for P05.99, 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.