REPTILASE TIME

LAB1136

 

Collect

One 2.7 mL Blue top tube (sodium citrate 3.2%). Tube must be filled to at least 90% capacity.

All blue tops collected for coagulation assays which do not have a blood culture collected first must have a discard tube collected prior to filling. Discard tube should be another blue top in which greater than 1 mL of blood is collected.

Pediatric Collection

0.5 mL platelet poor plasma.

Unacceptable Conditions

Whole blood specimen greater than four hours after collection; sample not properly identified; incorrect container; insufficient sample volume; clotted sample; tube fill volume less than 90% or greater than 110%; sample diluted/contaminated with I.V. fluid;in vitro hemolysis.

Storage/Transport Temperature

Internal: Deliver to lab immediately.
Offsite: Centrifuge the sample to obtain platelet poor plasma. Place plasma in plastic aliquot container and transport frozen.

Stability (from collection to initiation)

Whole blood: Ambient, 4 hours.

Platelet poor plasma: Ambient, 8 hours; Refrigerated, 8 hours; Frozen (-20 degrees C), 2 weeks;  Frozen (-70 degrees C), 6 months.

Performed by

PCL Clinical Laboratory - Coagulation

Performed

M-F, dayshift

Methodology

Clot based assay

Reported

Same day

Synonyms

  • LAB1136

Reference Interval

16.0 - 22.2 seconds

Performed by

PCL Clinical Laboratory - Coagulation

CPT Codes

85635

Collection

LAB1136

 

Collect

One 2.7 mL Blue top tube (sodium citrate 3.2%). Tube must be filled to at least 90% capacity.

All blue tops collected for coagulation assays which do not have a blood culture collected first must have a discard tube collected prior to filling. Discard tube should be another blue top in which greater than 1 mL of blood is collected.

Pediatric Collection

0.5 mL platelet poor plasma.

Unacceptable Conditions

Whole blood specimen greater than four hours after collection; sample not properly identified; incorrect container; insufficient sample volume; clotted sample; tube fill volume less than 90% or greater than 110%; sample diluted/contaminated with I.V. fluid;in vitro hemolysis.

Storage/Transport Temperature

Internal: Deliver to lab immediately.
Offsite: Centrifuge the sample to obtain platelet poor plasma. Place plasma in plastic aliquot container and transport frozen.

Stability (from collection to initiation)

Whole blood: Ambient, 4 hours.

Platelet poor plasma: Ambient, 8 hours; Refrigerated, 8 hours; Frozen (-20 degrees C), 2 weeks;  Frozen (-70 degrees C), 6 months.

Performed by

PCL Clinical Laboratory - Coagulation

Ordering

Performed

M-F, dayshift

Methodology

Clot based assay

Reported

Same day

Synonyms

  • LAB1136
Result Interpretation

Reference Interval

16.0 - 22.2 seconds

Performed by

PCL Clinical Laboratory - Coagulation

Administrative

CPT Codes

85635

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