H11.02 Central pterygium of eyeNon-billable header with 4 child codes.
H11.021 Central pterygium of right eyeH11.022 Central pterygium of left eyeH11.023 Central pterygium of eye, bilateralH11.029 Central pterygium of unspecified eyeH11.01 Amyloid pterygiumH11.011 Amyloid pterygium of right eyeH11.012 Amyloid pterygium of left eyeH11.013 Amyloid pterygium of eye, bilateralH11.019 Amyloid pterygium of unspecified eyeH11.02 Central pterygium of eye (this code)H11.021 Central pterygium of right eyeH11.022 Central pterygium of left eyeH11.023 Central pterygium of eye, bilateralH11.029 Central pterygium of unspecified eyeH11.03 Double pterygium of eye