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January 2020: Special Communication – Test Changes
Special Communication
Changes to Specimen Requirements
Effective February 18, 2020.
Coxsackie B Abs (COXBAB)
Specimen Requirements
Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.3 mL
Collection Container:
Gold Serum Separation Tube (SST)
Transport Temperature:
Refrigerated
Special Instructions:
Parallel testing is preferred, and convalescent specimens must be received within 30 days from receipt of acute specimens.
Label specimens plainly as ‘acute’ or ‘convalescent.’ Separate serum from cells ASAP or within 2 hours of collection, and transfer into a standard aliquot tube.
Alternative Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.3 mL
Collection Container:
Red Serum (no additive) Tube
Transport Temperature:
Refrigerated
Effective February 18, 2020.
Echovirus Antibodies (ECHOV)
Specimen Requirements
Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.3 mL
Collection Container:
Gold Serum Separation Tube (SST)
Transport Temperature:
Refrigerated
Additional Information:
Parallel testing is preferred, and convalescent specimens must be received within 30 days from receipt of acute specimens.
Label specimens plainly as ‘acute’ or ‘convalescent.’ Separate serum from cells ASAP or within 2 hours of collection, and transfer into a standard aliquot tube.
Alternative Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.3 mL
Collection Container:
Red Serum (no additive) Tube
Transport Temperature:
Refrigerated
Effective February 18, 2020.
Hydroxylase-21 Antibody (21OHAB)
Specimen Requirements
Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.3 mL
Collection Container:
Red Serum (no additive) Tube or Gold Serum Separation Tube (SST)
Transport Temperature:
Refrigerated
Effective February 18, 2020.
Leptospira Antibody, IgM by Dot Blot (LEPTDB)
Specimen Requirements
Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.2 mL
Collection Container:
Gold Serum Separation Tube (SST)
Transport Temperature:
Refrigerated
Additional Information:
Parallel testing is preferred, and convalescent specimens must be received within 30 days from receipt of acute specimens.
Label specimens plainly as ‘acute’ or ‘convalescent.’ Separate serum from cells ASAP or within 2 hours of collection, and transfer into a standard aliquot tube.
Alternative Specimen Type:
Plasma
Volume:
1 mL
Minimum Volume:
0.2 mL
Collection Container:
Green Sodium Heparin or Lithium Heparin Tube
Transport Temperature:
Refrigerated
Effective February 18, 2020.
Trypanosoma cruzi Antibody, IgM (TCAIGM)
Specimen Requirements
Specimen Type:
Serum
Volume:
1 mL
Minimum Volume:
0.2 mL
Collection Container:
Gold Serum Separation Tube (SST)
Transport Temperature:
Refrigerated
Additional Information:
Parallel testing is preferred, and convalescent specimens must be received within 30 days from receipt of acute specimens.
Label specimens plainly as ‘acute’ or ‘convalescent.’ Separate serum from cells ASAP or within 2 hours of collection, and transfer into a standard aliquot tube.
Changes to Reference Ranges
Effective January 28, 2020.
Amylase, Pancreatic (AMYLPS)
0 – 23 Months:
0 – 20 U/L
2 – 17 Years:
9 – 35 U/L
18 – 99 Years:
13 – 53 U/L
Effective February 18, 2020.
Iodine, Urine (UIODNE)
Note: There will be no other reference range changes for UIODNE.
Iodine, per gram of CRT:
35.0 – 540.0 µg/g crt
Effective January 28, 2020.
Pseudocholinesterase, Total, Serum (PCHE)
Male
0 – 99 years:
5,320 – 12,920 U/L
Female
0 – 15 Years:
5,320 – 12,920 U/L
16 – 39 Years:
4,260 – 11,250 U/L
40 – 41 Years:
5,320 – 12,920 U/L
42 Years & Older:
5,320 – 12,920 U/L
Females who are pregnant or taking hormonal contraceptives:
18 – 41 Years:
3,650 – 9,120 U/L
Effective February 18, 2020.
Varicella Zoster IgG Ab, CSF (CVZVG)
134.9 IV or less:
Negative – No significant level of IgG antibody to varicella-zoster virus detected
135.0 – 164.9 IV:
Equivocal – Repeat testing in 10-14 days may be helpful
165.0 IV or greater:
Positive – IgG antibody to varicella-zoster virus detected, which may indicate a current or past varicella-zoster infection
Changes to Test Build
Carnitine, Free and Total, Urine by Tandem Mass Spectrometry (UCARFT)
Effective February 18, 2020.
Interfaced Clients: Creatinine, Urine component will be added.
Any additional information regarding this testing will be included in a future Technical Update.
If you have any questions about these changes, please contact Client Services for assistance.
