Laboratory Test Detail - Interpath Labs

Laboratory Test Detail

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Last Updated: April 19, 2024 @ 9:13 am
91294	Aldosterone/Renin Activity Ratio
Specimen:	Collect:	One Lavender (EDTA) One SST Also Acceptable: One Pink Top (EDTA) One Red Top
	Submit:	1 mL (Min:0.5 mL) Serum . Submit Frozen. Submit in a Standard Transport Tube. 2 mL (Min:1.5 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
	Special Handling:	Separate aliquot required for each frozen test ordered Patient Prep: Collect midmorning after patient has been sitting, standing, or walking for at least 2 hours, and seated for 5-15 minutes. Specimen Preparation: Separate from cells ASAP or within 2 hours of collection. Serum: Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) AND Plasma: Transfer 2 mL EDTA plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1.2 mL) Storage/Transport Temperature: Both specimens should be submitted together for testing. Serum: Frozen Only Plasma: CRITICAL FROZEN. Separate specimens must be submitted when additional tests are ordered. Stability (collection to initiation of testing): Serum: Ambient: 8 hours; Refrigerated: 5 days; Frozen: 1 month Plasma: Ambient: 6 hours; Refrigerated: Unacceptable; Frozen: 1 month
	Rejection Criteria:	Hemolyzed specimens Specimen not submitted frozen Plasma collected in citrate, heparin, or oxalate.
	Stability:	Ambient: 6 Hour(s); Refrigerated: Unacceptable; Frozen: 1 Month(s); Incubated: Unacceptable
Methodology:	Quantitative Chemiluminescent Immunoassay
Performed:	Sun-Sat
Reported:	3-6 Day(s)
CPT Codes:	82088 84244
Interpretive Data:	Please see report for interpretive data.
Components:	91012 - ALDOSTERONE 91196 - RENIN ACTIVITY 93584 - RATIO

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