Endocrinology and metabolism diagnostic & therapeutic procedures OHIP billing codes


All codes

Code Description Amount Ans Units Assist Units
G493 ACTH test - single or multiple, per injection $0.00 N/A N/A
G337 Antidiuretic hormone response test including the 8 hour water deprivation test $0.00 N/A N/A
G338 Clonidine suppression test (for the investigation of pheochromocytoma) - with physician present - includes venipunctures $0.00 N/A N/A
G494 Glucagon test - (Type A) for carbohydrate response $0.00 N/A N/A
G495 Glucagon test - (Type B) for hypertension, pheochromocytoma and insulinoma provocative test (including cold pressor test) $0.00 N/A N/A
G358 Glucagon test - Growth hormone exercise stimulation test with physician present (includes venipunctures) $0.00 N/A N/A
G340 Glucagon test - Histamine test to include a control cold pressor test $0.00 N/A N/A
G341 Glucagon test - Hypertonic saline infusion test $0.00 N/A N/A
G342 Glucagon test - Implantation of hormone pellets $0.00 N/A N/A
G497 Glucagon test - Insulin hypoglycemia pituitary function test with or without TRH and LHRH alone or in combination $0.00 N/A N/A
G500 Diabetes monthly management $0.00 N/A N/A
G514 Diabetes monthly management - each additional month, 1 to 3 contacts $0.00 N/A N/A
G520 Diabetes monthly management - each additional month, 4 or more contacts $0.00 N/A N/A
G498 Intravenous glucose tolerance test $0.00 N/A N/A
G499 Intravenous tolbutamide test $0.00 N/A N/A
G513 Pentagastrin stimulation for calcitonin $0.00 N/A N/A
G344 Phentolamine test $0.00 N/A N/A
G501 TRH or LHRH test, per injection $0.00 N/A N/A
G490 Saralasin test $0.00 N/A N/A
G515 Open circuit indirect calorimetry $0.00 N/A N/A