Cholinesterase, RBC/Hb Ratio

Label Mnemonic:	CHERBC
Epic code:	LAB7251
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Whole Blood

Collection Medium:

Lavender top tube 3 mL (EDTA)

Alternate Collection Media:

Pink top tube 6 mL (K2-EDTA)

Minimum:

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

Methodology:

Quantitative Enzymatic

CPT Code:

82482