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Test ID ELPSR Electrolyte Panel, Serum


Necessary Information


Patient's age and sex are required.



Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.


Secondary ID

113632

Useful For

Identifying a suspected imbalance in electrolytes or acid/base imbalance

Specimen Type

Serum

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated 24 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Reference Values

SODIUM

<1 year: not established

≥1 year: 135-145 mmol/L

 

POTASSIUM

<1 year: not established

≥1 year: 3.6-5.2 mmol/L

 

CHLORIDE

<1 year: not established

1-17 years: 102-112 mmol/L

≥18 years: 98-107 mmol/L

 

BICARBONATE

Males

<1 year: not established

1-2 years: 17-25 mmol/L

3 years: 18-26 mmol/L

4-5 years: 19-27 mmol/L

6-7 years: 20-28 mmol/L

8-17 years: 21-29 mmol/L

≥18 years: 22-29 mmol/L

Females

<1 year: not established

1-3 years: 18-25 mmol/L

4-5 years: 19-26 mmol/L

6-7 years: 20-27 mmol/L

8-9 years: 21-28 mmol/L

≥10 years: 22-29 mmol/L

 

ANION GAP

<7 years: not established

≥7 years: 7-15

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80051-Electrolyte Panel (if all 4 are performed)

82435-Chloride (if all 4 are not performed)

84295- Sodium (if all 4 are not performed)

84132-Potassium (if all 4 are not performed)

82374-Bicarbonate (if all 4 are not performed)

Forms

If not ordering electronically, complete, print, and send a Kidney Transplant Test Request with the specimen.