D57.2 ICD-10-CA code: Double heterozygous sickling disorders
D57.2 is the ICD-10-CA code for “Double heterozygous sickling disorders” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
D57.2Double heterozygous sickling disorders
ICD-10-CA · Canada · Also written D572
Index terms
Entries in CIHI’s alphabetical index that lead to D57.2. Searching the index by the condition the note names is how coders reach this code.
- Disease, diseased, hemoglobin or Hb, SC
- Disease, diseased, hemoglobin or Hb, SD
- Disease, diseased, hemoglobin or Hb, SE
- Disease, diseased, sickle cell, thalassemia
- Disorder (of), double heterozygous sickling
- Thalassemia (anemia) (disease), sickle cell
- Disease, diseased, hemoglobin or Hb, C (Hb C), Hb S
- Disease, diseased, hemoglobin or Hb, D (Hb D), Hb S
- Disease, diseased, hemoglobin or Hb, E (Hb E), Hb S
- Disease, diseased, hemoglobin or Hb, C (Hb C), sickle cell
- Disease, diseased, hemoglobin or Hb, D (Hb D), sickle cell
- Disease, diseased, hemoglobin or Hb, E (Hb E), sickle cell
- Thalassemia (anemia) (disease), beta (severe), sickle cell
- Hemoglobinopathy (mixed) NEC, sickle cell, with thalassemia
- Disease, diseased, sickle cell, with, other abnormal hemoglobin NEC
- Disorder (of), sickle cell (sickling) (homozygous), double heterozygous
Notes for D57.2
As CIHI prints them, with any note D57.2 takes from the headings above it.
Includes
- Disease:• Hb-SC• Hb-SD• Hb-SE• sickle cell thalassaemia
Excludes
Conditions classified elsewhere.
- Other haemoglobinopathies (D58.-)From D57 Sickle-cell disorders
- Autoimmune disease (systemic) NOS (M35.9)certain conditions originating in the perinatal period (P00-P96)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)human immunodeficiency virus [HIV] disease (B24)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Where D57.2 sits
- 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2Block D55-D59Haemolytic anaemias
- 3Category D57Sickle-cell disorders
- 4Valid code D57.2Double heterozygous sickling disorders
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 D57.2 mean?
D57.2 is the ICD-10-CA code for “Double heterozygous sickling disorders” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is D57.2 in ICD-10-CA?
D57.2 sits under D57 Sickle-cell disorders, within D55-D59 Haemolytic anaemias, within Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
What coding notes apply to D57.2?
ICD-10-CA lists Includes, Excludes notes for D57.2, 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.