D66 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Hereditary factor VIII deficiency.
Inclusion term
Classical hemophilia
Deficiency factor VIII (with functional defect)
Hemophilia NOS
Hemophilia A
Type 1 excludes
Factor VIII deficiency with vascular defect (D68.0-)
Versions
2025
No changes
2024
No changes
2023
Code changed
Type 1 excludes
factor VIII deficiency with vascular defect (D68.0)
- factor VIII deficiency with vascular defect (D68.0-)
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code