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Heavy metals, like arsenic, lead, mercury, and others,are all around us. They’re in the ground we walk on, in the water we drink, and in the products we use every day. But high levels of most heavy metals are potentially toxic.QLS offers a comprehensive heavy metals panel in-house that helps physicians screen patients for a variety of medical conditions. Click on the following link to learn more about the testing options available!

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5947 Heparin (Anti-Xa), Low Molecular Weight (LMWH)

Components

	NAME	METHOD	REFERENCE RANGE	UNITS
	Low Molecular Weight Heparin	CHROM	view ref range	IU/mL

Specimen Requirements

	TYPE	VOLUME	TEMPERATURE	INSTRUCTIONS
PRIMARY
1	Plasma Citrated	1 (0.5) mL	Frozen - 2 Month(s)

Clinical utility

Monitors dose response to low molecular weight heparin.

Collection Instruction

Instructions for platelet-poor plasma:
1. Draw a plain red-top tube to remove tissue fluid contamination.
Discard this tube.
2. Draw blood into a buffered citrate collection tube (light blue
top) filled to proper level.
3. The blood-to-anticoagulant ratio should be 9:1; inadequate
filling of the collection device will decrease this ratio and
may lead to inaccurate results.
4. Adjust the final citrate concentration in the blood
of patients who have hematocrit values above 0.55 (55%). For
hematocrits below 20%, there are no current data to
support a recommendation for adjusting the citrate concentration.
5. The needle gauge could be between 19-22. For pediatric
patients a 21-23 gauge needle may be used.
6. Invert gently 6 times to mix. Process immediately.
7. Centrifuge for 15 min at 2500 x g.
8. Remove plasma using a plastic pipette to transfer into a
new tube.
9. Repeat centrifugation at 2500 x g for 15 minutes to assure
complete platelet removal.
10. Dispense the plasma into 2 or more plastic tubes using a
plastic transfer pipette. Label tubes appropriately.
11. Freeze immediately at -70 C.
12. Specimen must remain frozen at all times. Ship to Specialty
within 24 hours on dry ice.
13. Specimen should not be submitted if:
* it is hemolyzed
* microclots are present
* the tube is less than 90% filled
* a specimen with hematocrit >55% is collected without
anticoagulant adjustment.

Reported: Same day

CPT Code: 85520

Notes: The Reference Range refers to untreated patients not on LMWH.