| Ketones, urine (087-0489 or part of UA) | |
|---|---|
| Test Mnemonic: | U KETONES or UA CHEM |
| Specimen Requirements: | |
| Test Included: | Qualitative determination of urine ketones. |
| Collection: | Random urine |
| Container: | Collect urine in a clean, dry container that is free of preservatives. |
| Minimum Volume: | 4 mL of urine |
| Storage/Transport: | Delivered to Sample Management within 1 hour of collection. |
| Specimen Preparation: | Refrigerate specimen within 1 hour of collection. |
| Stability: | Refrigerated ≤ 24 hours. |
| Causes for Rejection: | Specimen contaminated with feces, specimen is less than 4 mL, specimen collected in container with a preservative, specimen received in the lab more than 24 hours after collection, incomplete and/or incorrect sample identification, and improper storage/transport. |
| Reference Range: | By report (reports may vary based on instrumentation, patient age and sex) |
| Turnaround Time: | Routine: 8 hours; ASAP: 4 hours; STAT: 1 hour |
| Methodology: | Ketostix or Chemistry Strip |
| Performed: | 24 hours a day/7 days a week |
| Lab: | Clinical Chemistry |
| CPT 4 Code: | 81002 |
| Note: | Random urine. |
| When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent. | |