Hepatitis B Virus (HBV), Quantitative, DNA Real-time PCR, (Graphical)

TEST: 551620
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CPT: 87517
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Synonyms

  • HBV Quantitation

Special Instructions

Submit the patient's Social Security number for serial monitoring. To order this test without the serial monitor service, use test 551610.

Expected Turnaround Time

2 - 4 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Serum or plasma

Volume

2.5 mL

Minimum Volume

700 μL (Note: This volume does not allow for repeat testing.)

Container

Gel-barrier tube, lavender-top (EDTA) tube, or plasma preparation tube (PPT™)

Collection

Centrifuge sample within 24 hours of collection. Transfer serum/plasma to a screw-cap polypropylene transport tube. Ship frozen (preferred). Plasma from a PPT™ can be frozen and shipped in situ. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit a separate frozen specimen for each test requested.

Storage Instructions

Freeze (preferred) or refrigerate.

Stability Requirements

Temperature

Period

Room temperature

24 hours

Refrigerated

6 days

Frozen

12 weeks

Note: Stability provided by manufacturer or literature reference.

Causes for Rejection

Incorrect anticoagulant; PPT™ not centrifuged

Test Details

Limitations

The HBV quantitative real-time PCR assay has a quantitative range of 10 to 1,000,000,000 IU/mL.

Methodology

cobas® HBV for use on the cobas® 6800/8800 system

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
551620 HBV RT PCR, Quant (Graph) 42595-9 551629 HBV IU/mL IU/mL 42595-9
551620 HBV RT PCR, Quant (Graph) 42595-9 551597 log10 HBV IU/mL log10 IU/mL 48398-2
551620 HBV RT PCR, Quant (Graph) 42595-9 551724 Test Information: 19147-8
551620 HBV RT PCR, Quant (Graph) 42595-9 511958 PDF 80563-0
Reflex Table for HBV IU/mL
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551595 HBV Real-Time PCR, Quant 551628 HBV IU/mL IU/mL 42595-9
Reflex Table for HBV IU/mL
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551595 HBV Real-Time PCR, Quant 551596 log10 HBV IU/mL log10 IU/mL 48398-2

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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf