All ICD10 Codes

D66

Billable
ChapterD50–D89
Rankcategory
Official Description

Hereditary factor VIII deficiency

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 3: Diseases of the Blood and Blood-Forming Organs (D50-D89).

CH3 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Includes
  • Classical hemophilia
  • Deficiency factor VIII (with functional defect)
  • Hemophilia NOS
  • Hemophilia A
Excludes1(Not coded here. Use a different code.)
  • factor VIII deficiency with vascular defect (D68.0-)

Clinical Hierarchy

BillableHas subcodes
CH3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D65-D69Coagulation defects, purpura and other hemorrhagic conditions (D65-D69)
D66Hereditary factor VIII deficiencyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D66:

chapterCH3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 813
Coagulation Disorders

Cross Reference

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