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Test ID RFAMA Renal Function 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: 0.6 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

113634

Useful For

Aiding in diagnosis and management of conditions affecting kidney function

 

General health screening

 

Screening patients at risk of developing kidney disease

 

Management of patients with known kidney disease

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

 

BLOOD UREA NITROGEN (BUN)

Males

<12 months: 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

 

CREATININE

Males

0-11 months: 0.17-0.42 mg/dL

1-5 years: 0.19-0.49 mg/dL

6-10 years: 0.26-0.61 mg/dL

11-14 years: 0.35-0.86 mg/dL

≥15 years: 0.74-1.35 mg/dL

 

Females

0-11 months: 0.17-0.42 mg/dL

1-5 years: 0.19-0.49 mg/dL

6-10 years: 0.26-0.61 mg/dL

11-15 years: 0.35-0.86 mg/dL

≥16 years: 0.59-1.04 mg/dL

 

ESTIMATED GLOMERULAR FILTRATION RATE (eGFR)

 

≥ 18 years old: ≥60 mL/min/BSA (body surface area)

Estimated GFR calculated using the 2021 CKD-EPI creatinine equation.

Note: eGFR results will not be calculated for patients younger than 18 years old.

 

CALCIUM

<1 year: 8.7-11.0 mg/dL

1-17 years: 9.3-10.6 mg/dL

18-59 years: 8.6-10.0 mg/dL

60-90 years: 8.8-10.2 mg/dL

>90 years: 8.2-9.6 mg/dL

 

GLUCOSE

0-11 months: Not established

≥1 year: 70-140 mg/dL

 

Total Protein

≥1 year: 6.3-7.9 g/dL

Reference values have not been established for patients who are younger than 12 months of age.

 

ALBUMIN

≥12 months: 3.5-5.0 g/dL

Reference values have not been established for patients who are younger than 12 months of age.

 

PHOSPHORUS

Males

1-4 years: 4.3-5.4 mg/dL

5-13 years: 3.7-5.4 mg/dL

14-15 years: 3.5-5.3 mg/dL

16-17 years: 3.1-4.7 mg/dL

≥18 years: 2.5-4.5 mg/dL

Reference values have not been established for patients that are younger than 12 months of age.

 

Females

1-7 years: 4.3-5.4 mg/dL

8-13 years: 4.0-5.2 mg/dL

14-15 years: 3.5-4.9 mg/dL

16-17 years: 3.1-4.7 mg/dL

≥18 years: 2.5-4.5 mg/dL

Reference values have not been established for patients that are younger than 12 months of age.

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

KS: 84132

NAS: 84295

CL: 82435

HCO3: 82374

BUN: 84520

CRTS1: 82565

CA: 82310

GLURA: 82947

ALB: 82040

PHOS: 84100

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Kidney Transplant Test Request

-Renal Diagnostics Test Request (T830)