COMPREHENSIVE METABOLIC PANEL

Mnemonic

CMP

Includes

Albumin, Alkaline Phosphatase, ALT (GPT), AST (GOT), Total Bilirubin, BUN, Calcium, Chloride, Total CO2, Creatinine, Glucose, Potassium, Total Protein, Sodium, GFR

Guidelines

The GFR is used to assess kidney function and any evidence of chronic kidney disease. GFR can only be ordered as part of the Comprehensive or Basic Metabolic Panel

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

Handling

Plasma (PST) tubes should be centrifuged ASAP (within one hour).

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

Minimum Volume

0.5 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

Specimens collected using lithium heparin (PST) 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): 24 hours; Refrigerated (2-8°C): 3 days; Frozen (at or below -20°C): 1 month

Testing Information

Performed

7 days/week

Method

Colorimetry, Ion Selective Electrode, Enzymatic

Referral Lab

Samaritan Health Services Laboratories

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
Kidney damage with normal GFR 1
Kidney damage with mildly decreased GFR 2
30-59 Moderate CKD 3
15-29 Severe CKD 4
0-14Kidney Failure 5

Critical Values

See specific tests.

CPT Codes

80053

Last Updated: Thursday, January 5, 2017 03:42:05 AM