Potassium, Serum or Plasma

K

Performing Lab:

Saint Luke's Regional Laboratories

Container Type:

Serum gel tube or green top (heparin) tube

Specimen Type:

Serum or plasma

Preferred Volume:

1 mL

Minimum Volume:

0.5 mL

Collection Procedure:

1. Indicate serum or plasma on the request form.
2. Label the specimen appropriately (serum or plasma).

Store and Transport:

Room Temperature: < 12 hours
Refrigerated: > 12 hours

CPT Codes:

84132 - Potassium (EAP 30014340)

Test Schedule:

Monday through Sunday

Method:

ISE indirect

Reference Ranges:

3.4 - 5.1 mEq/L

Critical values:

< 1 year: < 3.0 mEq/L or > 7.0 mEq/L

> 1 year: < 2.7 mEq/L or > 6.0 mEq/L

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