Laboratory Test Detail - Interpath Labs

Laboratory Test Detail

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Last Updated: May 27, 2023 @ 9:13 am
1085	Sodium/Creatinine Ratio (FENA)
Specimen:	Collect:	One SST Random Urine in Sterile Specimen Container
	Submit:	1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube. 10 mL (Min:0.5 mL) Random Urine . Submit Refrigerated.
	Special Handling:	See Individual Components for Special Handling and Alternate Sample Types Serum must be collected within 24 hours of urine collection.
	Stability:	See Individual Components
Methodology:	Colorimetric
Performed:	Mon-Fri
Reported:	1-2 Day(s)
CPT Codes:	82565 82570 84295 84300
Interpretive Data:	Please see report for interpretive data. Prerenal Intrinsic Renal Postrenal URINE SODIUM (meq/L) <20 >40 >40 FENa <1% >1% >4% Prerenal: Anything that causes decreased effective renal perfusion: Hypovolemia, CHF, Renal Artery Stenosis, Sepsis, etc. Remember, contrast-induced nephrology will often look pre-renal. Intrinsic Renal: ATN, AIN, Glomerulonephritis, etc. Postrenal: Obstruction (BPH, bladder stone, bilateral ureter obstruction)
Components:	1014 - CREATININE, SERUM 1108 - SODIUM,URINE 1026 - SODIUM 2498 - CREATININE, URINE 1086 - FENA

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