These are the most commonly used Endocrinology and metabolism diagnostic & therapeutic procedures OHIP billing codes. To find other billing codes search the OHIP fee schedule here .
| Code | Description | Amount |
|---|---|---|
| G493 | ACTH test - single or multiple, per injection | $6.25 |
| G337 | Antidiuretic hormone response test including the 8 hour water deprivation test | $16.95 |
| G338 | Clonidine suppression test (for the investigation of pheochromocytoma) - with physician present - includes venipunctures | $24.90 |
| G494 | Glucagon test - (Type A) for carbohydrate response | $10.20 |
| G495 | Glucagon test - (Type B) for hypertension, pheochromocytoma and insulinoma provocative test (including cold pressor test) | $42.30 |
| G358 | Glucagon test - Growth hormone exercise stimulation test with physician present (includes venipunctures) | $24.90 |
| G340 | Glucagon test - Histamine test to include a control cold pressor test | $45.45 |
| G341 | Glucagon test - Hypertonic saline infusion test | $16.95 |
| G342 | Glucagon test - Implantation of hormone pellets | $31.05 |
| G497 | Glucagon test - Insulin hypoglycemia pituitary function test with or without TRH and LHRH alone or in combination | $49.80 |
| G500 | Diabetes monthly management | $31.80 |
| G514 | Diabetes monthly management - each additional month, 1 to 3 contacts | $10.60 |
| G520 | Diabetes monthly management - each additional month, 4 or more contacts | $21.20 |
| G498 | Intravenous glucose tolerance test | $10.20 |
| G499 | Intravenous tolbutamide test | $49.80 |
| G513 | Pentagastrin stimulation for calcitonin | $42.30 |
| G344 | Phentolamine test | $42.30 |
| G501 | TRH or LHRH test, per injection | $6.25 |
| G490 | Saralasin test | $42.30 |
| G515 | Open circuit indirect calorimetry | $46.30 |