ARUP's Laboratory Test Directory

Cholinesterase, RBC/Hb Ratio : 0020174

Mnemonic: CHE-RBC

Methodology: Enzymatic
Performed: Mon-Fri
Reported: Between 1 and 4 days
Specimen Required: Collect:  One 5 mL lavender (EDTA) or pink (K2EDTA).

Transport:  3 mL whole blood at 2-8°C. (Min: 1 mL)

Remarks:  DO NOT FREEZE.  Caution: Do not place whole blood directly on cool packs when shipping.

Unacceptable Conditions:  Frozen, clotted, or hemolyzed specimens.  Specimens collected in green (sodium or lithium heparin).

Stability:  Ambient: 4 hours; Refrigerated: 1 week; Frozen: Unacceptable
Reference Interval:
25-52 U/g Hb
CPT Code(s): 82482
 
 

 

 

 
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