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Test ID ST2S ST2, Serum

Useful For

Aiding in prognosis for patients diagnosed with chronic heart failure

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

ST2, S

Specimen Type

Serum Red

Specimen Required

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial.

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Frozen (preferred) 90 days
  Refrigerated  7 days
  Ambient  72 hours

Reference Values


<24 months: not established

2-17 years: ≤43.0 ng/mL

≥18 years: ≤ 52.0 ng/mL



<24 months: not established

2-17 years: ≤43.0 ng/mL

≥18 years: ≤38.7 ng/mL

Day(s) and Time(s) Performed

Tuesday; 8 a.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
ST2S ST2, S 90239-5


Result ID Test Result Name Result LOINC Value
61723 ST2, S 90239-5

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

NY State Approved



If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.