Sign in →

Test ID IFXED Immunofixation Heavy Chain Type Delta and Epsilon, Serum

Specimen Required

Patient Preparation: Fasting preferred but not required

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.

Useful For

Identification and isotyping of monoclonal immunoglobulin heavy (IgD and IgE) and light chains


Documentation of complete response to therapy

Method Name


Reporting Name

Immunofixation Delta and Epsilon, S

Specimen Type


Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Reference Values

Immunofixation Delta and Epsilon: No monoclonal IgD or IgE protein detected.

Immunofixation Delta and Epsilon, Flag: Negative

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
IFXED Immunofixation Delta and Epsilon, S In Process


Result ID Test Result Name Result LOINC Value
606458 Immunofixation D and E 74665-1
606981 Flag, Immunofixation D and E No LOINC Needed

Day(s) Performed

Monday through Friday

Report Available

2 to 7 days