D66
Hereditary factor VIII deficiency
HCC risk adjustment mapping
CMS-HCC V28
Hemophilia, Male
CMS-HCC ESRD V24
Severe Hematological Disorders
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
factor VIII deficiency with vascular defect (D68.0-)
Classical hemophilia Deficiency factor VIII (with functional defect) Hemophilia NOS Hemophilia A
autoimmune disease (systemic) NOS (M35.9) certain conditions originating in the perinatal period (P00-P96) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) human immunodeficiency virus [HIV] disease (B20) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Official Guidelines for D66
FY 2026 ›Find D66 in the alphabetic index
11 index paths lead to this code
- Hemophilia
- Subhemophilia
- Arthropathy › hemophilic NEC
- Disease, diseased › bleeder's
- Hemophilia › A
- Arthritis, arthritic › due to or associated with › hemophilia
- Arthritis, arthritic › in › hemophilia NEC
- Arthropathy › in › hemophilia NEC
- Deficiency, deficient › anti-hemophilic › factor
- Deficiency, deficient › anti-hemophilic › globulin NEC
- Deficiency, deficient › factor › VIII