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* BASIC METABOLIC PANEL WITH ESTIMATED GLOMERULAR FILTRATION RATE (GFR)

Mnemonic

BASICGFR

Synonym

BMP - GFR

Includes

BUN, Calcium, Chloride, Total CO2, Creatinine, Glucose, Potassium, Sodium, GFR

Guidelines

The GFR is used to assess kidney function and any evidence of chronic kidney disease. Estimated GFR is not reported for patients under 18 years of age.

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL mint green (PST) top tube

Supply Item Number - 101235 or 101192

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Preferably, separate serum or plasma from cells before transport.

Preferred Volume

1.0 mL Serum/Plasma

Minimum Volume

0.25 mL Serum/Plasma, (Whole Blood 0.60 mL minimum draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Moderately hemolyzed specimens

Stability

Specimens collected using (PST) lithium heparin tubes are stable up to 1.5 days refrigerated (2-8°C) on the primary spun gel tube. AFTER SEPARATION FROM CELLS: Ambient (15-25°C): 8 hours; Refrigerated (2-8°C): 3 days; Frozen (at or below -20°C): 1 month

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Colorimetry, Ion Selective Electrode

Reference Values

Reference Values

See specific test.
Age adjusted ranges.

GFR Reference Range (mL/min/1.73m2) Description Stage of Chronic Kidney Disease (CKD)
≥60 Normal None
1
2
30-59 Moderate CKD 3
15-29 Severe CKD 4
0-14 Kidney Failure 5

Critical Values

See specific test.

Comments

GFR is calculated using the IDMS-traceable MDRD study equation from serum or plasma creatinine, age, gender and race.

CPT Codes

80048

Last Updated: Wednesday, August 2, 2017 01:48:04 PM


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