PD-L1, IHC (Pembrolizumab) Gastric

TEST: 452072
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CPT: 88360
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Synonyms

  • Keytruda®
  • Programmed Death Ligand 1

Special Instructions

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.

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.

Specimen Requirements

Specimen

Formalin-fixed, paraffin-embedded (FFPE) tissue block or slides

Volume

At least three positively charged, unstained slides should be sectioned at 4-5 microns and be less than one month in age.

Container

Paraffin block or unstained positive-charged slides

Collection

Paraffin block or unstained slides sectioned of no more than one month age.

Storage Instructions

FFPE tissue specimens must be handled to preserve the tissue for IHC staining. Standard methods of tissue processing should be used for all specimens.

Causes for Rejection

Slides cut 5 months or more prior to testing

Test Details

Use

The Dako PD-L1 22C3 pharmDx™ kit is a qualitative assay intended for use in the detection of PD-L1 in formalin-fixed, paraffin embedded (FFPE) in gastric carcinoma using the Dako Automated Link 48 Platform.

Methodology

Immunohistochemistry (IHC) using Dako Autostainer Link 48 platform.

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452073 Referring Physician N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452074 Treating Physician N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452075 Client Specimen ID N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452076 Contain(s) Received N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452077 Clinical Data N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452078 Revision Text N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452079 Body Site N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452092 Specimen Type N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452093 Interpretation OR Diagnosis N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452094 Test(s) Cancelled N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452069 Comments: 77202-0
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452095 Reviewing Pathologist N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452096 General Results N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452067 Result 83052-1
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452097 Non Standard Comments N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452098 Additional Notation N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452099 Electronically Signed by N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452100 Proxy Release by N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452101 Disclaimer N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452102 PDF N/A
452072 PD-L1 IHC, Keytruda(R) Gastric 83052-1 452103 Bill Code Entry Hold N/A

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CPT Statement/Profile Statement

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