- D66 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM D66 became effective on October 1, 2022.
- This is the American ICD-10-CM version of D66 – other international versions of ICD-10 D66 may differ.
ICD-10-CM D66 is grouped within Diagnostic Related Group(s):
- 813 Coagulation disorders
Applicable To
- Classical hemophilia
- Deficiency factor VIII (with functional defect)
- Hemophilia NOS
- Hemophilia A
Type 1 Excludes
- factor VIII deficiency with vascular defect (D68.0-)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to D66:
- hemophilia > due to or associated with E22.0
- hemophilia NEC > in (due to) E22.0
- hemophilic NEC > Arthropathy M12.9
- hemophilia NEC > in (due to) E22.0
- anti-hemophilic > Deficiency, deficient
- factor (A) > anti-hemophilic D66
- globulin NEC (AHG) > anti-hemophilic D66
- VIII (congenital) (functional) (hereditary) (with functional defect) > factor D68.2
- bleeder\’s > Disease, diseased
- A > Hemophilia (classical) (familial) (hereditary) D66