RENAL

Test Code
LAB19


Alias/See Also
1231100249


CPT Codes
80069

Includes
ALBUMIN
CALCIUM
CHLORIDE, BLOOD (CL)
CARBON DIOXIDE (CO2)
CREATININE, BLOOD GLUCOSE
PHOSPHORUS
SODIUM, BLOOD (NA)
POTASSIUM (K)
BLOOD UREA NITROGEN (BUN)
ESTIMATED GLOMERULAR FILTRATION RATE
ANION GAP


Preferred Specimen
Green Lithium Heparin tube (Gel separator preferred)


Minimum Volume
0.5 mL plasma


Instructions
CLINIC COLLECTIONS: Collect 0.5 mL plasma in Green Lithium Heparin tube (Gel separator preferred). Must be spun within 2 hours after collection. If no gel separator, plasma must be pulled off cells within 2 hours. 

If collecting with AST, ALT, VD25, K+, or LDH, label routes to Gold/SST. Collect 1.0 mL of serum in Gold/SST. Must be spun within 2 hours after collection.


Transport Temperature
Refrigerated


Specimen Stability
Room temperature (20 to 25°C): 4 days
Refrigerated (2 to 8°C): 7 days
Freezer (-20°C): 12 weeks


Methodology
Abbott Alinity

Reference Range
ALBUMIN
Males/Females:
0-1 Year: 2.6-3.6 g/dL
1-4 Years: 3.4-4.2 g/dL
4 Years and above: 3.5-5.2 g/dL
CALCIUM
Males/Females:
0-60 Days: 6.1-11.0 mg/dL
60-180 Days: 9.0-11.0 mg/dL
180 Days-15 Years: 8.8-10.8 mg/dL
15-18 Years: 8.5-10.4 mg/dL
Adults: 8.4-10.2 mg/dL
CHLORIDE, BLOOD (CL)
Males/Females:
0-60 Days: 95-110 mEq/L
60 Days-15 Years: 98-108 mEq/L
15-18 Years: 98-106 mEq/L
Adults: 98-107 mEq/L
CARBON DIOXIDE (CO2)
Males/Females:
0-15 Years: 18.0-27.0 mEq/L
15-18 Years: 25.0-35.0 mEq/L
Adults: 22.0-29.0 mEq/L
CREATININE, BLOOD (IN-HOUSE)
Males:
0-4 Years: 0.10-0.60 mg/dL
4-7 Years: 0.10-0.70 mg/dL
7-10 Years: 0.30-0.70 mg/dL
10-14 Years: 0.4-1.00 mg/dL
14-18 Years: 0.60-1.20 mg/dL
Adults: 0.72-1.25 mg/dL
GLUCOSE
Males/Females:
0-1 Day: 30-110 mg/dL
1-365 Days: 40-110 mg/dL
1-6 Years: 55-115 mg/dL
6-7 Years: 74-127 mg/dL
7-18 Years: 70-106 mg/dL
Adults: 70-105 mg/dL
PHOSPHORUS
Males/Females
0-6 Days: 4.80-8.20 mg/dL
6-365 Days: 4.30-7.40 mg/dL
1-4 Years: 4.10-5.40 mg/dL
4-7 Years: 3.70-5.60 mg/dL
7-12 Years 3.30-5.40 mg/dL
12-14 Years: 2.90-5.40 mg/dL
14-18 Years: 2.70-4.70 mg/dL
18-60 Years: 2.30-4.70 mg/dL
60 Years and above: 2.30-3.70 mg/dL
SODIUM, BLOOD (NA)
Males/Females:
0-60 Days: 132-142 mEq/L
60 Days-15 Years: 138-145 mEq/L
15 Years and above: 136-145 mEq/L
POTASSIUM (K)
Males/Females:
0-7 Days: 3.6-6.0 mEq/L
7-180 Days: 3.7-5.9 mEq/L
180 Days-15 Years: 4.1-5.3 mEq/L
15-18 Years: 3.4-4.7 mEq/L
Adults: 3.5-5.1 mEq/L
BLOOD UREA NITROGEN (BUN)
Males:
0-6 Days: 2-19 mg/dL
6 Days-1 Year: 4-18 mg/dL
1-4 Years: 5-17 mg/dL
4-14 Years: 7-18 mg/dL
14-18 Years: 8-21 mg/dL
Adults: 9-21 mg/dL
Females:
0-6 Days: 2-19 mg/dL
6 Days-1 Year: 4-18 mg/dL
1-4 Years: 5-17 mg/dL
4-14 Years: 7-18 mg/dL
14-18 Years: 8-21 mg/dL
Adults: 7-18 mg/dL
ESTIMATED GLOMERULAR FILTRATION RATE
Males/Females:
>60 mL/min/1.73m2
ANION GAP
Males/Females:
8-12 mEq/L


Performing Laboratory
ARKADELPHIA LABORATORY CONWAY LABORATORY FORT SMITH LABORATORY HEBER SPRINGS LABORATORY LITTLE ROCK LABORATORY NORTH LITTLE ROCK LABORATORY STUTTGART LABORATORY VAN BUREN LABORATORY MALVERN LABORATORY EL DORADO LABORATORY MAGNOLIA LABORATORY DREW COUNTY LABORATORY


Last Updated: August 31, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.