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ST2, Soluble

Cassandra Greaves S, Test

NEW YORK DOH APPROVED: YES

CPT Code: 83006
Order Code: 91823
Synonyms: IL33 Receptor, Soluble ST2 (sST2), Heart Failure
ABN Requirement:
No
Specimen: Serum
Volume:  1.0 mL
Minimum Volume:  0.5 mL
Container: Red Top (no gel barrier) preferred

Collection:

  1. Collect and label sample according to standard protocols.
  2. Gently invert tube 5 times immediately after draw. DO NOT SHAKE.
  3. Allow blood to clot 30 minutes.
  4. Centrifuge for 10 minutes.
  5. Aliquot serum into a labeled transport tube and cap tightly.

Special Collection Instructions: Transfer serum to a transport tube after centrifugation.

Transport: Store serum at 2°C to 8°C after collection and ship the same day per packaging instructions included with the provided shipping box.

Stability:

Ambient (15-25°C): 24 hours
Refrigerated (2-8°C):
7 days
Frozen (-20°C):
18 months

Causes for Rejection: Specimens other than serum; improper labeling; samples not stored properly; samples older than stability limits

Methodology: Enzyme Linked Immunosorbent Immunoassay (ELISA)

Turn Around Time:  4-6 days

Reference Range:

Age ng/mL
All Ages ≤ 35

Clinical Significance: The Critical Diagnostics Presage ST2 Assay is indicated for assessing prognosis of patients with chronic heart failure. Results should be used in conjunction with clinical evaluation.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.