Cholinesterase, RBC/Hb Ratio
Label Mnemonic: CHERBC
Epic Lab Code: LAB7251
Downtime Form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
Whole Blood
Collection Medium:
Lavender top tube 3 mL (EDTA)
Alternate Collection Media:
Pink top tube 6 mL (K2-EDTA)
Preferred Minimum: 3 mL whole blood in EDTA Lavender top tube
Absolute Minimum: 1 mL whole blood in EDTA Lavender top tube
Rejection Criteria:
Frozen, clotted, or hemolyzed samples. Specimens collected in green (sodium or lithium heparin).
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection.
Testing Schedule:
Testing performed Monday-Friday.
Turn Around Time:
1-4 days upon receipt at reference laboratory
Reference Range:
25-52 U/g Hb
Quantitative Enzymatic
CPT Code:
See also:
Pseudocholinesterase, Total, Serum