Comprehensive Venous Thrombosis workup with Interpretation

**Laboratory Medicine resident's approval is required for hospital inpatients and patients in Emergency Department.** VENOUS = SITE OF THROMBOSIS

When clinically indicated, Lupus anticoagulant, DRVVT (LUPAC) will be reflexively added for diagnosis with an additional charge.

NOTE: Results will be reviewed/Interpreted by an MD and a professional fee is billed. If an MD review is not desired, order tests individually.

Outside clients should fill and submit Coagulation Patient Clinical History Form available below:

Coagulation Patient Clinical History Form

HMC and UW-MT Onsite Locations:

Collect Blood in each of the following tubes:

Preferred:

4 mL blood in LIME GREEN PST tube

+ 3 each of either a 3 mL or 5 mL BLUE TOP (CITRATE) tube

+ 3 mL LAVENDER tube

Also Acceptable:

4 mL blood in ORANGE RST, GOLD SST, RED TOP or GREEN TOP tube

+ 3 each of either a 3 mL or 5 mL BLUE TOP (CITRATE) tube

+ 3 mL LAVENDER tube

Offsite Clinic or Other Locations:

Collect Blood in each of the following tubes:

Preferred:

4 mL blood in GOLD SST tube

+ 3 each of either a 3 mL or 5 mL BLUE TOP (CITRATE) tube

+ 3 mL LAVENDER tube

Also Acceptable:

4 mL blood in ORANGE RST, LIME GREEN PST, RED TOP or GREEN TOP tube

+ 3 each of either a 3 mL or 5 mL BLUE TOP (CITRATE) tube

+ 3 mL LAVENDER tube

** SPS will call for Laboratory Medicine Resident’s approval for hospital inpatients and patient’s in Emergency Department.** Approval is NOT required for hospital outpatients, clinic patients or outside clients.

UW-MT Instructions:

1) Refrigerate Lavender top for Prothrombin DNA Screen [PRODS].

2) Take Blue top tubes to UW-MT Coag for processing. Coag tech will freeze plasma samples for transport to HMC COAG and UW-MT Immunology Lab.

3) Centrifuge GOLD SST, LIME GREEN PST, RED or GREEN TOP tube received for HSCRP. Refrigerate serum/plasma.

HMC Instructions:

1) Refrigerate Lavender top for Prothrombin DNA Screen [PRODS].

2) Take Blue top tubes specimen to Coag for processing.

3) Centrifuge GOLD SST, LIME GREEN PST, RED or GREEN TOP tube received for HSCRP. Refrigerate serum/plasma.

Outside Laboratory:

1) Centrifuge Blue top tubes for 10 minutes, remove plasma & re-spin plasma for another 10 minutes. Decant & Freeze 3 aliquots of plasma (minimum 1 mL each) at -20°C to -80°C. Send Frozen on dry ice.

2) Centrifuge GOLD SST, LIME GREEN PST, RED or GREEN TOP tube for HSCRP. Decant an aliquot of serum/plasma (minimum 0.3 mL) and refrigerate or freeze at -20 °C if more than 72 hour delay is expected.

3) Ship Lavender top at Ambient Temperature for Prothrombin DNA Screen.