Mar 21, 2015




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,ARUP Labs, C-D


Cryofibrinogen (RMISC) ARUP Labs, C-D Lab Test

Name: Cryofibrinogen

Test Name: Cryofibrinogen

Health Link Test Code: RMISC

LIS Test Code: MISC

CPT Code(s): 82585

Testing Site: Testing will be sent to an approved reference laboratory

Link: http://www.aruplab.com/guides/ug/tests/0050190.jsp

Days Performed: Daily.

In-Lab Turnaround Time: 3 - 6 days.

Stat In-Lab Turnaround Time: Not available stat.

Specimen: Blood

Collection Container: 2 lt. blue top tubes (3.2% NaCitrate)

Collection Instructions:

BEFORE COLLECTING SPECIMEN, pre-warm a light blue (sodium citrate)tube (e.g. in an infant heel warmer). Have another infant heel warmer on hand to deliver the blood to the laboratory after collection. Keep specimen at 37°C by wrapping a hot pack (infant heel warmer) around the tube immediately after collection. Transport specimen to UWHC Hospital Laboratory within 10 minutes of collection.

Collection Volume: 6 mL

Pediatric Collection Volume: 2 mL

Stability Ambient:

1 week

Stability Refridgerated:

Not acceptable

Stability Frozen:

Not acceptable

Sample Analyzed: Plasma

Testing Volume: 3 mL

Pediatric Testing Volume: 1 mL

Specimen Processing:

IMPORTANT: Keep whole blood specimen at 37°C during entire processing procedure. Place light blue top in 37°C incubator while warming centrifuge to 37°C. Spin specimen at 3000 rpm for 10 minutes. Transfer plasma to labeled ARUP Standard Transport Tube. Keep plasma at 20-25°C

Specimen Transport:

Transport whole blood specimen to UWHC Hospital Labortory within ten minutes of collection-keep specimen at 37°C by wrapping tube in a hot pack (infant heel warmer). Specimen MUST be processed prior to transport if coming from clinic location. Transport processed specimen at room temperature (20-25°C.) DO NOT REFRIGERATE.

Unacceptable Criteria:

Refrigerated or frozen specimens. Heparinized, lipemic or grossly hemolyzed specimens.


Negative at 72 hours.

Interpretation Type: Reference Interval

Test Limitations:

Quantities less than 3 mL may affect the sensitivity of the assay.

Additional Information:

Proper collection and transport of specimen is critical to the outcome of the assay.