| Buffy Coat Exam for Histoplasma (088-0019) | |
|---|---|
| Test Mnemonic: | F BC |
| Specimen Requirements: | |
| Collection: | Using aseptic technique, collect Lavender topped tube (EDTA) |
| Container: | EDTA |
| Minimum Volume: | 4ml of whole blood |
| Storage/Transport: | Transport immediately, room temperature or refrigerated. |
| Specimen Preparation: | No preparation required |
| Stability: | 24 hours |
| Causes for Rejection: | Clotted sample. Specimen container unlabeled or labeled incorrectly. No date and time of collection on requisition form. |
| Reference Range: | Negative |
| Turnaround Time: | 24-48 hours |
| Methodology: | Microscopic examination of stained Buffy coat smears to detect yeast cells consistent with Histoplasma capsulatum |
| Performed: | Clinical Microbiology |
| Synonyms: | Buffy coat for Histoplasma exam; Histoplasma, blood; Histoplasma capsulatum blood infection; Smear for Histoplasma |
| Clinical Indication: | Suspected bloodstream infection with Histoplasma |
| Patient Preparation : | Routine venipuncture |
| CPT 4 Code: | 87206 |
| Note: | An Infectious Disease consult may be required. Blood culture bottle (Myco/F lytic) is recommended for optimal recovery. Order Buffy coat tests only during acute phase of illness. |
| 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. | |