Routine sterilization
Search the preventive schedule for spay/neuter by name. A broad statement that surgery is covered does not answer this question.
Treatment of disease
Ask which medical-policy provision applies to the veterinarian’s documented reason. The procedure name alone does not decide eligibility.
Already completed
Do not assume adding a benefit now reimburses an earlier procedure. Check any existing benefit and its claim deadline instead.
Let the veterinarian describe the medical indication accurately. Do not relabel a planned preventive operation as illness treatment to obtain payment. Where care is needed now, the coverage discussion should support the plan for care rather than delay it.