Jo-1 Antibody

Specimen:

Collect

  • One SST

Also Acceptable:
  • One Green Top (Li Heparin)
  • One Lavender (EDTA)

Submit

  • 1 mL (Min:0.5 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 1 mL (Min:0.5 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
  • 1 mL (Min:0.5 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling

  • Allow specimen to clot completely at room temperature
  • Avoid Repeated Freeze/Thaw Cycles
  • Separate from cells ASAP

Rejection Criteria

  • Grossly Hemolyzed Samples
  • Heat inactivated
  • Lipemic Samples
  • Microbially Contaminated
  • Particulate matter

Stability

Ambient: 8 Hour(s); Refrigerated: 2 Week(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology

  • Fluoroenzyme Immunoassay

Performed

Monday, Wednesday, Thursday

Reported

1-4 Day(s)

CPT Codes

  • 86235

Interpretive Data

General Reference Range : <7 U/mL

JO-1 AB
Negative: <7
Equivocal: 7-10
Positive: >10

In the case of equivocal results, it is recommended to retest the patient after 8-12 weeks.

Components

  • 2887 - JO-1 ANTIBODY
Last Updated: June 30, 2025 @ 5:18 pm

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT