When in doubt, punt!
See my signature link Secondary Monitoring Tools if you haven't used urine test strips much.
Granted - urine ketones and/or glucose are not as accurate as blood tests, but it is still useful information
- glucose in urine = over renal threshold (somewhere from 180 - 280 mg/dL)
- ketones in urine = not enough insulin, so breaking down fat for calories
Also, amount of water drunk, size of wet litter patties, level of hunger, etc. are all indicators of control, albeit subtle.