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Epic Code LAB3318 Procalcitonin

Important Note

Test cannot be ordered as an add-on

Test Name Alias

PCT | 3072

Interface Order Alias

11633

Specimen Requirements

Specimen Type: Plasma
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Volume: 4.5 mL
Minimum volume: 1.0 mL plasma
Collection Instructions: Centrifuge within 2 hours

Specimen Transport Temperature

Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 48 hours

Frozen: Aliquot plasma for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours a day with results available within 2–4 hours.

Reference Range

Reference Range:  ≤0.25 ng/mL

 

Interpretive comments:

<0.05 ng/mL = Negative
Between 0.05 - 0.25 ng/mL = Low, bacterial infection is possible but unlikely.
Between 0.25 and 0.50 ng/mL = Intermediate; bacterial infection is likely.
>0.50 ng/mL = High; bacterial infection is very likely.

 

If using as an aid in deciding on whether or not to discontinue antibiotics for suspected/confirmed sepsis, providers should use the following guidance: 

  • - PCT ≤ 0.50 ng/mL or > 80% decrease from peak/baseline value 
    • antibiotics discouraged 
  • - PCT > 0.50 ng/mL and < 80% decrease from peak/baseline value 
    • antibiotics encouraged

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI

Methodology

Enzyme Linked Fluorescent Assay (ELFA)

CPT

84145

CDM Code

3018414501

Epic Test ID

1230101074

LOINC

Procalcitonin: 33959-8

Mayo Access Code

SHO3072

Reviewed Date

3/7/2024

Updated Date

3/19/2024 - Reference Range