ARUP's Laboratory Test Directory
| 0049045: Periodic Acid Schiff Stain |
| Test Mnemonic: PAS | |
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#ExistMethodology>
Methodology: Stain
*ExistMethodology> #ExistPerformed> Performed: Mon-Fri *ExistPerformed> #ExistReported> Reported: 1-5 days *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: Peripheral Blood: One 5 mL lavender (EDTA) or pink (K2EDTA), or one 7 mL green (sodium or lithium heparin); Bone Marrow: 1 mL heparinized aspirate; Paraffin: block or four unstained paraffin slides cut at 4 microns.
*ExistCollect> #ExistTransport> Transport: Peripheral Blood: 5 mL whole blood (EDTA) or 7 mL whole blood (green, heparin) and six unfixed smears; Bone Marrow: 1 mL heparinized aspirate and six unfixed smears; transport peripheral blood and bone marrow at 20-25°C. Paraffin: must be protected from excessive heat; ship in cooled containers during summer months. Send Sunday-Thursday only. *ExistTransport> #ExistPedCollectTransport> Pediatric Collection/Transport: Peripheral Blood: 1 mL whole blood (lavender, EDTA) and six unfixed smears, or 1 mL whole blood, (green, heparin) and six unfixed smears. Bone Marrow: 1 mL heparinized aspirate and 6 unfixed smears. Paraffin: Same as adult collection. *ExistPedCollectTransport> #ExistRemarks> Remarks: Samples must be received within 24 hours of collection; testing must be performed within 48 hours of collection. *ExistRemarks> #ExistConditions> Unacceptable Conditions: Fixed smears. *ExistConditions> #ExistStability> Stability: Blood/Bone marrow: Ambient: 24 hours; Paraffin: Indefinitely *ExistStability> |
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| Reference Interval: |
| #ExistRefRange> By report *ExistRefRange> |
| CPT Code(s): | |
| 88313 |