A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Potassium, Plasma, Serum, or Urine
Test Code978
CPT Codes
84132-Plasma or serum (if appropriate); 84133-urine (if appropriate)
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Avoid hemolysis.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Avoid hemolysis.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Urine, 24-Hour
Collection Container/Tube: Plastic urine container(s)
Specimen Volume: 25 mL from a 24-hour urine collection
Collection Instructions: No preservative.
Note: 1. 24-Hour volume is required. 2. Follow instructions in Urine Collection in Special Instructions. 3. Indicate urine. 4. Label specimen appropriately (urine).
Urine, Random
Collection Container/Tube: Plastic urine container(s)
Specimen Volume: 25 mL from a random urine collection
Collection Instructions: No preservative.
Note: 1. Indicate urine. 2. Label specimen appropriately (urine).
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Avoid hemolysis.
Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Avoid hemolysis.
Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Urine, 24-Hour
Collection Container/Tube: Plastic urine container(s)
Specimen Volume: 25 mL from a 24-hour urine collection
Collection Instructions: No preservative.
Note: 1. 24-Hour volume is required. 2. Follow instructions in Urine Collection in Special Instructions. 3. Indicate urine. 4. Label specimen appropriately (urine).
Urine, Random
Collection Container/Tube: Plastic urine container(s)
Specimen Volume: 25 mL from a random urine collection
Collection Instructions: No preservative.
Note: 1. Indicate urine. 2. Label specimen appropriately (urine).
Minimum Volume
Pediatric volume: 0.2 mL
Transport Temperature
Refrigerate
Methodology
Ion-Selective Electrode (ISE)
Setup Schedule
Monday through Sunday
Reference Range
PLASMA OR SERUM
3.5-5.1 mEq/L
Critical values (automatic call-back):
Neonates: <2.7 mEq/L or >6.5 mEq/L
Adults: <2.7 mEq/L or >6.0 mEq/L
URINE
25-125 mEq/24 hours
3.5-5.1 mEq/L
Critical values (automatic call-back):
Neonates: <2.7 mEq/L or >6.5 mEq/L
Adults: <2.7 mEq/L or >6.0 mEq/L
URINE
25-125 mEq/24 hours
Performed By
CoxHealth