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Mycophenolic Acid, Serum

Additional Codes

Primary ID

Epic Code

Mayo Test ID




Reporting Name

Mycophenolic Acid, S

Useful For

Monitoring therapy to ensure adequate blood levels and avoid over-immunosuppression

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum Red

Specimen Required

Patient Preparation: Collect specimen just prior to next dose (ie, trough)

Container/Tube: Red top

Specimen Volume: 1 mL

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  21 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values


1.0-3.5 mcg/mL



35-100 mcg/mL

Day(s) Performed

Monday through Sunday

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
MPA Mycophenolic Acid, S 87432-1


Result ID Test Result Name Result LOINC Value
15226 Mycophenolic Acid 23905-3
15227 MPA Glucuronide 23906-1

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Report Available

Same day/1 to 3 days

Specimen Retention Time

2 weeks

NY State Approved



If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Renal Diagnostics Test Request (T830)

-Therapeutics Test Request (T831)