Ordering Recommendations

This test uses Roche Elecsys CEA electrochemiluminescence immunoassay. Measured CEA values can vary depending on the testing procedure and cannot be used interchangeably. The assay is indicated for serial measurement of CEA to aid in the management of cancer patients.

Collect

1 Green (PST), Gold (SST), Red (Serum), Dark Green (Lithium Heparin) or Lavender (K2 EDTA)
 or  or  or  or

Collect, Minimum Volume

1 mL blood

Pediatric Collection

1 mL blood

Specimen Preparation

Separate from cells ASAP

Specimen Preparation, Minimum Volume

0.5 mL serum or plasma

Storage/Transport Temperature

Refrigerated

Stability (from collection to initiation)

Room temperature: 7 days
Refrigerated: 2 weeks
Frozen: 6 months

Performed

Sun-Sat

Reported

Same day

Lab Department

Chemistry

Testing Location

Intermountain

Synonyms

  • CEA
  • Carcinoembryonic Antigen
  • CEA Assay
  • CEA Levels
  • CEA, Serum
  • Embryonic Carcinoma Antigen

CPT Codes

82378

Updated

7/16/25

LOINC

  • 2039-6

Interface Order Code (OBR)

CEA2

Interface Result Code (OBX)

CEA2
Collecting

Ordering Recommendations

This test uses Roche Elecsys CEA electrochemiluminescence immunoassay. Measured CEA values can vary depending on the testing procedure and cannot be used interchangeably. The assay is indicated for serial measurement of CEA to aid in the management of cancer patients.

Collect

1 Green (PST), Gold (SST), Red (Serum), Dark Green (Lithium Heparin) or Lavender (K2 EDTA)
 or  or  or  or

Collect, Minimum Volume

1 mL blood

Pediatric Collection

1 mL blood

Specimen Preparation

Separate from cells ASAP

Specimen Preparation, Minimum Volume

0.5 mL serum or plasma

Storage/Transport Temperature

Refrigerated

Stability (from collection to initiation)

Room temperature: 7 days
Refrigerated: 2 weeks
Frozen: 6 months
Resulting

Performed

Sun-Sat

Reported

Same day
Additional Information

Lab Department

Chemistry

Testing Location

Intermountain

Synonyms

  • CEA
  • Carcinoembryonic Antigen
  • CEA Assay
  • CEA Levels
  • CEA, Serum
  • Embryonic Carcinoma Antigen
Coding

CPT Codes

82378

Updated

7/16/25
Interface Mapping

LOINC

  • 2039-6

Interface Order Code (OBR)

CEA2

Interface Result Code (OBX)

CEA2

ARUP Consult®

Disease Topics