TEST NAME

Xa ASSAY

See: Factor XA


TEST NAME

XRAY PREGNANCY TEST SERUM

TEST NO LONGER AVAILABLE 2/16/2005


TEST NAME

XYLOSE TOLERANCE ADULT 5-HOUR URINE

See: D-Xylose Urine


TEST NAME

XYLOSE URINE*

See: D-Xylose Urine


TEST NAME

YEAST CULTURE

See: Microbiology Section
In Pt Micro  / Regional Micro


TEST NAME

ZARONTIN

See:  Ethosuximide


POWERCHART NAME

ZINC LEVEL

MERCY TEST NAME

ZINC, SERUM

MERCY LAB CODE

ZINCS

Specimen:   Draw before any other tubes are drawn.  2.0 ml (pediatric 1.0 ml) serum from Navy blue Monoject® trace element blood collection tube (no additive).
Processing:

Allow to clot well.  Pour serum into a Mayo Metal Free vial.  Do not use a transfer pipet or wooden sticks. Mayo # 8620.

Peformed: 1 day.  Monday through Saturday.
Reference Values: 0.66 – 1.10 mcg/mL
Method:   Inductively Couples Plasma (ICP) Emission Spectroscopy
CPT Code: 84630