Streptococcus pyogenes, Group A Antibody (Streptozyme(R)) with Reflex to Titer : ARUP Lab Tests

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Streptococcus pyogenes, Group A Antibody (Streptozyme®) with Reflex to Titer : 0050642

Mnemonic: STZ R

Methodology:	Hemagglutination
Performed:	Mon-Sat
Reported:	1-3 days
Specimen Required:	Collect: One 4 mL serum separator tube or one 3 mL lavender (EDTA) or pink (K₂ EDTA). Transport: 1 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.1 mL serum or plasma at 2-8°C. Remarks: Separate serum or plasma from cells ASAP. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval:

Test Number	Components	Reference Interval
	Streptococcus pyogenes, Group A Antibody (Streptozyme Screen)	< 100 STZ units: Negative
	Streptococcus pyogenes, Group A Antibody (Streptozyme Titer)	< 100 STZ units: Negative

Note:

If S. pyogenes Ab is 100 STZ units, then titer will be added.

CPT Code(s):

86403 Streptococcus screen; if reflexed add 86406 Streptococcus titer

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