Test ID ELPN Electrolyte Panel, Serum
Useful For
See Individual Mayo Test IDs
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
NACCL | Sodium, S | Yes | Yes |
KCCL | Potassium, S | Yes | Yes |
CL | Chloride, S | Yes | Yes |
HCO3 | Bicarbonate, S | Yes | Yes |
CREAZ | Creatinine with eGFR, S | Yes | Yes |
BUN | Bld Urea Nitrog(BUN), S | Yes | Yes |
AGAP | Anion Gap | No | Yes |
GLURA | Glucose, Random, S | Yes | Yes |
Method Name
NACCL, KCCL, CL: Potentiometric/Indirect Ion-Selective Electrode
HCO3: Photometric/Enzymatic
CREAZ: Enzymatic Colorimetric Assay
BUN: Photometric/Urease
AGAP: Calculation
GLURA: Photometric/Hexokinase
Reporting Name
Electrolyte Panel, SSpecimen Type
SerumContainer/Tube:
Preferred: Serum gel
Acceptable: Red top
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 aliquoted within 2 hours of collection.
Additional Information: Patient's age and sex are required.
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated | 24 hours |
Clinical Information
See Individual Mayo Test IDs
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
CREATININE
Males
<1 year: not established
1-2 years: 0.1–0.4mg/dL
3-4 years: 0.1-0.5 mg/dL
5-9 years: 0.2–0.6 mg/dL
10-11 years: 0.3–0.7 mg/dL
12-13 years: 0.4–0.8 mg/dL
14-15 years: 0.5–0.9 mg/dL
≥16 years: 0.8–1.3 mg/dL
Females
<1 year: not established
1-3 years: 0.1–0.4 mg/dL
4-5 years: 0.2–0.5 mg/dL
6-8 years: 0.3–0.6 mg/dL
9-15 years: 0.4–0.7 mg/dL
≥16 years: 0.6–1.1 mg/dL
eGFR
>60 mL/min/1.73 m(2)
Note: eGFR results will not be calculated for patients <17 or >70 years old
BUN
Males
<1 year: not established
1-17 years: 7-20 mg/dL
≥18 years: 8-24 mg/dL
Females
<12 months: not established
1-17 years: 7-20 mg/dL
≥18 years: 6-21 mg/dL
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
GLUCOSE
<1 year: not established
≥1 year: 70-140 mg/dL
Cautions
See Individual Mayo Test IDs
Day(s) Performed
Monday through Sunday; Continuously
Report Available
Same day/1 dayPerforming Laboratory

Test Classification
This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
80051-Electrolyte panel (if all 4 are performed)
82947-Glucose
82374-Carbon dioxide (if all 4 are not performed)
82435-Chloride (if all 4 are not performed)
82565-Creatinine
84132-Potassium (if all 4 are not performed)
84295-Sodium (if all 4 are not performed)
84520-Urea nitrogen; quantitative