Test Details
Methodology
Immunohistochemistry (IHC)
Result Turnaround Time
5 - 9 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.
Special Instructions
Please provide a copy of the pathology report.
Note: This test number is used for tracking oncology IHC specimens to the laboratory. Bill codes will be added when testing is complete, based on the processes performed in the laboratory.
Specimen Requirements
Specimen
Tissue
Volume
One formalin-fixed paraffin embedded (FFPE) tissue block or five unstained positively charged slides sectioned from FFPE tissue block at 4 to 5 microns.
Minimum Volume
Three unstained tissue slides
Container
Tissue block or slide
Collection Instructions
Tissue should be fixed in 10% neutral buffered formalin for no more than 72 hours. Embed in paraffin.
Storage Instructions
Room temperature
Causes for Rejection
Insufficient tissue; tumor other than squamous cell carcinoma of the head and neck
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 481615 | PD-L1 IHC OPDIVO(R) Head/Neck | 481616 | Result | 83055-4 | ||
| 481615 | PD-L1 IHC OPDIVO(R) Head/Neck | 481617 | % Tumor Cells Staining | % | 83053-9 | |
| 481615 | PD-L1 IHC OPDIVO(R) Head/Neck | 481618 | Comments: | 77202-0 | ||
| 481615 | PD-L1 IHC OPDIVO(R) Head/Neck | 481619 | Interpretation: | 77202-0 | ||
| 481615 | PD-L1 IHC OPDIVO(R) Head/Neck | 481620 | Director Review | 72486-4 | ||
| Order Code | 481615 | |||||
| Order Code Name | PD-L1 IHC OPDIVO(R) Head/Neck | |||||
| Order Loinc | ||||||
| Result Code | 481616 | |||||
| Result Code Name | Result | |||||
| UofM | ||||||
| Result LOINC | 83055-4 | |||||
| Order Code | 481615 | |||||
| Order Code Name | PD-L1 IHC OPDIVO(R) Head/Neck | |||||
| Order Loinc | ||||||
| Result Code | 481617 | |||||
| Result Code Name | % Tumor Cells Staining | |||||
| UofM | % | |||||
| Result LOINC | 83053-9 | |||||
| Order Code | 481615 | |||||
| Order Code Name | PD-L1 IHC OPDIVO(R) Head/Neck | |||||
| Order Loinc | ||||||
| Result Code | 481618 | |||||
| Result Code Name | Comments: | |||||
| UofM | ||||||
| Result LOINC | 77202-0 | |||||
| Order Code | 481615 | |||||
| Order Code Name | PD-L1 IHC OPDIVO(R) Head/Neck | |||||
| Order Loinc | ||||||
| Result Code | 481619 | |||||
| Result Code Name | Interpretation: | |||||
| UofM | ||||||
| Result LOINC | 77202-0 | |||||
| Order Code | 481615 | |||||
| Order Code Name | PD-L1 IHC OPDIVO(R) Head/Neck | |||||
| Order Loinc | ||||||
| Result Code | 481620 | |||||
| Result Code Name | Director Review | |||||
| UofM | ||||||
| Result LOINC | 72486-4 |