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Test Compendium

5026: HNK1 (CD57) PANEL

Test Code

  • 5026

Test Synonym


Specimen Requirements

  • Whole Blood


  • Lavender & Yellow Acd, Lavender Top Tube, Yellow Top Tube, Yellow Acd-A, Yellow Acd Sol B


  • Ambient

CPT Codes

  • 86356,86357
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • Lavender-top (EDTA) tube and Yellow - top (ACD-A) or (ACD-B) tube ship to lab within 24 hours of collection

Additional Information

  • Draw Lavender-top (EDTA) tube and Yellow - top (ACD-A) or (ACD-B) tube Fill tube(s) to capacity. Invert tube 8 to 10 times immediately after collection. To preserve cellular viability, collect specimen so it will arrive in the laboratory within 24 hours of collection. Indicate date and time of venipuncture on the tube(s) and on the test request form. Maintain specimen at room temperature. Do NOT freeze or refrigerate.

Specimen Stability

  • Stable room temp (ambient) only, must be shipped to lab within 24 hours of collection. Do not freeze or refrigerate