D68.020 Von Willebrand disease, type 2A

Instructional Notes:

D68.020
Description: Von Willebrand disease, type 2A
Inclusion Term:
- Qualitative defects of von Willebrand factor with decreased platelet adhesion and selective deficiency of high-molecular-weight multimers
↓
D68.02
Description: Von Willebrand disease, type 2
Inclusion Term:
- Qualitative defects of von Willebrand factor
↓
D68.0
Description: Von Willebrand disease
Exclude1:
- capillary fragility (hereditary) (D69.8)
- factor VIII deficiency NOS (D66)
- factor VIII deficiency with functional defect (D66)
↓
D68
Description: Other coagulation defects
Exclude1:
- abnormal coagulation profile NOS (R79.1)
Exclude2:
- coagulation defects complicating abortion or ectopic or molar pregnancy (O00-O07, O08.1)
- coagulation defects complicating pregnancy, childbirth and the puerperium (O45.0, O46.0, O67.0, O72.3)
↓
D65-D69
Description: Coagulation defects, purpura and other hemorrhagic conditions (D65-D69)
↓
D50-D89
Description: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Exclude2:
- 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)