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Test Code 203 Renal Function Panel

Additional Codes

MLAB: RENAL

PowerChart: Renal Funciton Panel

Epic: LAB19 Renal Function Panel

MA Cerner: Renal Function Panel.

Test Method

UCL: Beckman DXC600/DXC880i

  • Albumin: Bromcresol Purple Timed Endpoint
  • BUN:Enzymatic-Conductivity Rate
  • Calcium: Ion Specific Electrode
  • Creatinine: Jaffe Rate
  • Glucose: Timed Endpoint
  • Sodium: Ion Exchange
  • Potassium: Ion Specific Electrode
  • Chloride: Ag/AgCl Electrode
  • CO2: Rate of pH Change, CO2 Electrodes
  • Phosphorus: Sample Blanked Phosphomolybdate Endpoint

Specimen Requirement

0.5 mL serum or plasma is required.

Additional Specimen Collection Information

Collect blood in a lithium heparin, green-top or red-top tube from a fasting patient. (A 12 hour fast is recommended.) PST and SST (gel tubes) are acceptable. Serum or plasma should be separated from contact with cell within 2 hours of collection. Refrigerate the specimen if unable to assay within 8 hours of collection. Hemolyzed specimens are not acceptable.Lipemic specimens must be cleared prior to analysis.

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.

Expedite orders: Typically completed within 1 hour after the specimen arrives at the testing site.

STAT orders: Typically completed within 30 minutes after the specimen arrives at the testing site.

Reference Values

Albumin: 3.5-5.2 gm/dL
 

BUN: 10 - 26 mg/dL
 

Calcium: 8.5-10.5 mg/dL

  • Critical values:
    • Low: < 6.0 mg/dL
    • High: > 13.0 mg/dL

Glucose:  70 - 99 mg/dL

  • Critical values:

    • Low: < 50 mg/dL
    • High: > 450 mg/dL

Creatinine: 0.4 - 1.4 mg/dL

eGFR (calculated): ≥ 60 mL/min/1.73m2
eGFR-AA (calculated): ≥60 mL/min/1.73m2
 

Sodium: 135 - 145 meq/L

  • Critical values:
    •  low:  < 120 meq/L
    •  high: > 160 meq/L

Potassium: 3.5 - 5.0 meq/L

  • Critical values:
    •  low: < 3.0 meq/L
    •  high:  > 6.0 meq/L

Chloride: 100 - 108 meq/L
 

CO2: 24 - 32 meq/L

  • Critical values:
    • Low: < 10.0 meq/L
    • High: > 40.0 meq/L

Anion gap: (calculated value:  7-16 meq/L)
 

Phosphorus: 2.0-4.5 mg/dL

CPT Code Information

80067 Multi-test Laboratory Panels; Renal function panel

Useful For

See individual constituents.

LOINC Code Information

24362-6 Renal Function 2000 Panel-Serum Or Plasma