Z67.A Duffy phenotype

Non-billable header with 4 child codes.

Codes under Z67.A

• Z67.A1 Duffy null
• Z67.A2 Duffy a positive
• Z67.A3 Duffy b positive
• Z67.A4 Duffy a and b positive

Nearby codes

• Z67.40 Type O blood, Rh positive
• Z67.41 Type O blood, Rh negative
• Z67.9 Unspecified blood type
• Z67.90 Unspecified blood type, Rh positive
• Z67.91 Unspecified blood type, Rh negative
• Z67.A Duffy phenotype (this code)
• Z67.A1 Duffy null
• Z67.A2 Duffy a positive
• Z67.A3 Duffy b positive
• Z67.A4 Duffy a and b positive