Z67.4 Type O bloodNon-billable header with 2 child codes.
Z67.20 Type B blood, Rh positiveZ67.21 Type B blood, Rh negativeZ67.3 Type AB bloodZ67.30 Type AB blood, Rh positiveZ67.31 Type AB blood, Rh negativeZ67.4 Type O blood (this code)Z67.40 Type O blood, Rh positiveZ67.41 Type O blood, Rh negativeZ67.9 Unspecified blood typeZ67.90 Unspecified blood type, Rh positiveZ67.91 Unspecified blood type, Rh negative