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tonography with water provocation
Indications:
- increased intraocular pressure
- glaucoma
Procedure:
- recording intraocular pressure over an extended time period (tonography)
- water provocation involves fasting from fluids by the patient
- 1 quart of water is taken during the test & the differential is recorded
General
tonography
provocative clinical test
References
- Coding Companion for Ophthalmology
A comprehensive illustrated guide to coding and reimbursement
http://www.shopingenix.com/upload/pdf/A6601/ATEYA6601.pdf