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CPT:
87522
Synonyms
- HCV Real-time PCR (Graphical) With Reflex to Genotype
- HCV RNA Quantitation (Graphical) With Reflex to Genotype
Special Instructions
Submit the patient's Social Security number for serial monitoring. To order this test without the serial monitor service, use test 550090.
Expected Turnaround Time
3 - 5 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.
Related Documents
For more information, please view the literature below.
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Specimen Requirements
Specimen
Serum or plasma
Volume
3 mL
Minimum Volume
1 mL (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 (stability provided by manufacturer or literature reference) |
Refrigerated | 72 hours (stability provided by manufacturer or literature reference) |
Frozen | 6 weeks (stability provided by manufacturer or literature reference) |
Causes for Rejection
Incorrect anticoagulant; PPT™ not centrifuged
Test Details
Use
This test is used for quantitation of hepatitis C virus with reflex to HCV genotype if viral load is >1000 IU/mL.
Limitations
The quantifiable range of the assay is 15 IU/mL to 100,000,000 IU/mL.
Methodology
Cobas® AmpliPrep/Cobas® TaqMan® HCV Test v 2.0. See Hepatitis C Virus (HCV) Genotyping, Nonreflex [550475] for more information.
References
Kleiber J, Walter T, Haberhausen G, Tsang S, Babiel R, Rosenstraus M. Performance characteristics of a quantitative, homogeneous TaqMan RT-PCR test for HCV RNA. J Mol Diagn. 2000 Aug; 2(3):158-166. 11229521
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 550100 | HCV RNA by PCR, Qn Rfx Geno | 11011-4 | 550028 | Hepatitis C Quantitation | IU/mL | 11011-4 |
| 550100 | HCV RNA by PCR, Qn Rfx Geno | 11011-4 | 550051 | HCV log10 | log10 IU/mL | 38180-6 |
| 550100 | HCV RNA by PCR, Qn Rfx Geno | 11011-4 | 550306 | Test Information: | 77202-0 | |
| 550100 | HCV RNA by PCR, Qn Rfx Geno | 11011-4 | 551222 | HCV Genotype | 32286-7 | |
| 550100 | HCV RNA by PCR, Qn Rfx Geno | 11011-4 | 511958 | 80563-0 |
| Reflex Table for Hepatitis C Quantitation | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 550040 | HCV RNA (International Units) | 550029 | HCV RNA (International Units) | IU/mL | 11011-4 |
| Reflex Table for Hepatitis C Quantitation | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 550040 | HCV RNA (International Units) | 550032 | HCV log10 | log10 IU/mL | 38180-6 |
| Reflex Table for HCV Genotype | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 550486 | Hepatitis C Genotype | 550513 | Hepatitis C Genotype | 32286-7 | |
| Reflex 2 | 550614 | Hepatitis C Genotype | 550614 | Hepatitis C Genotype | 32286-7 | |
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