Benign neoplasm of connective tissue of orbitBenign neoplasm of extraocular muscleBenign neoplasm of peripheral nerves of orbitBenign neoplasm of retrobulbar tissueBenign neoplasm of retro-ocular tissue
Sub classes
D31.60
Benign neoplasm of unspecified site of unspecified orbit
D31.61
Benign neoplasm of unspecified site of right orbit
D31.62
Benign neoplasm of unspecified site of left orbit