Test Code LYTES.1 ELECTROLYTES

Methodology

Method Name:

Enzymatic End-point/Potentiometric, Direct

Note: Anion gap is determined by a mathematical calculation.

Submit only 1 of the following specimens:

Preferred:

Serum

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of serum-Hemolyzed specimen is not acceptable.

Collection Instructions: Fill tube(s) completely. Keep specimen tightly capped. Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

Alternate:

Serum

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of serum-Hemolyzed specimen is not acceptable.

Collection Instructions: Fill tube(s) completely. Keep specimen tightly capped. Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

Alternate:

Plasma

Container/Tube: Green-top (lithium heparin) tube(s)

Specimen Volume: 1 mL (minimum volume: 0.5 mL) of plasma-Hemolyzed specimen is not acceptable.

Collection Instructions: Fill tube(s) completely. Keep specimen tightly capped. Spin down within 4 hours of draw.

Note: Label specimen appropriately (plasma).

Monday through Sunday

ANION GAP

5-14

See individual test listings for other reference values.

Logan Health Medical Center-Chemistry

80051

Refrigerate