| Legionella Urinary Antigen (8000100470) | |
|---|---|
| Test Mnemonic: | C LUA |
| Specimen Requirements: | |
| Collection: | Urine (clean catch). First morning specimen is recommended |
| Container: | Sterile, leak-proof container |
| Minimum Volume: | 5ml |
| Storage/Transport: | Room temperature, refrigerate if delay in transport |
| Stability: | 14 days refrigerated |
| Causes for Rejection: | Leaking container, insufficient volume, specimens other than urine, more than one specimen submitted. |
| Reference Range: | Not detected |
| Turnaround Time: | Test performed daily |
| Methodology: | Immunochromatographic membrane cartridge assay |
| Performed: | Clinical Microbiology |
| Synonyms: | Legionella antigen, urine |
| Clinical Indication: | Diagnosis of pneumonia caused by Legionella pneumophila serogroup 1. |
| Patient Preparation : | Urine sample is required |
| CPT 4 Code: | 87899 |
| Note: | A culture or PCR of respiratory sources should also be performed, since a negative result does not rule out infection with Legionella and false positives can occur. |
| 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. | |