P56.9 ICD-10-CA code: Hydrops fetalis due to other and unspecified haemolytic disease

P56.9 is the ICD-10-CA code for “Hydrops fetalis due to other and unspecified haemolytic disease” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

P56.9

Hydrops fetalis due to other and unspecified haemolytic disease

Short description: Hydrops fetalis dt oth haemolytic dis

ICD-10-CA · Canada · Also written P569

Index terms

Entries in CIHI’s alphabetical index that lead to P56.9. Searching the index by the condition the note names is how coders reach this code.

  • Hydrops, fetal(is) or newborn (idiopathic), due to, hemolytic disease NEC
  • Condition, conditions (arising in the perinatal period), hydrops fetal(is) or newborn (idiopathic), due to, hemolytic disease NEC

Notes for P56.9

As CIHI prints them, with any note P56.9 takes from the headings above it.

Includes

  • 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.

  • Hydrops fetalis NOS (P83.2)not due to haemolytic disease (P83.2)From P56 Hydrops fetalis due to haemolytic disease
  • Congenital stenosis and stricture of bile ducts (Q44.3)Crigler-Najjar syndrome (E80.5)Dubin-Johnson syndrome (E80.6)Gilbert's syndrome (E80.4)hereditary haemolytic anaemias (D55-D58)From P50-P61 Haemorrhagic and haematological disorders of fetus and newborn
  • 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 P56.9 sits

  1. 1ChapterChapter 16: Certain conditions originating in the perinatal period (P00-P96)
  2. 2Block P50-P61Haemorrhagic and haematological disorders of fetus and newborn
  3. 3Category P56Hydrops fetalis due to haemolytic disease
  4. 4Valid code P56.9Hydrops fetalis due to other and unspecified haemolytic disease

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 P56.9 mean?

P56.9 is the ICD-10-CA code for “Hydrops fetalis due to other and unspecified haemolytic disease” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is P56.9 in ICD-10-CA?

P56.9 sits under P56 Hydrops fetalis due to haemolytic disease, within P50-P61 Haemorrhagic and haematological disorders of fetus and newborn, within Chapter 16: Certain conditions originating in the perinatal period (P00-P96).

What coding notes apply to P56.9?

ICD-10-CA lists Excludes, Includes notes for P56.9, 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.