Immunohistochemical Markers, Pathology

Abbrev Code:Surg Path Ex   
Order Code:LAB4613Order Name:Surgical Pathology Exam
Synonyms:Immunoperoxidase Stains; Immunocytochemical Stains; Immunohistochemistry Stains; Pathology, Immunohistochemical Stains; IHC
Methodology:Antigen localization by immunohistochemical procedure.
CPT Codes: 88342 x1, 88342-26 x1
Turnaround Time:Performed Mon-Fri, results reported on completion; limited consult interpretation reported within 24 hours.
Special Instructions:

Services offered:

·         Immunohistochemical staining without report. Slides reviewed for quality by UMMC pathologist prior to report. Stained slides returned by courier.

·         Immunohistochemical staining and interpretation with written report of positive or negative result. Provided by UMMC surgical pathologists.


Provide specimen source, type of fixation, and duration of fixation prior to processing. For limited consult, provide pertinent clinical information.


For available stains, please see Associated Links.


Associated Links:

Immunohistochemical Markers: Stains Available

Collection Instructions

Specimen:Paraffin block preferred; tissue sections mounted on charged slides are also accepted. For limited consult send appropriate H&E slide also.
Container:Microscope slides
Contraindications:Interpretation may be hampered by improperly fixed tissue, e.g., >24 or <6 hours.

Processing and Shipping

Specimen Processing:Store at room temperature.
Shipping Instructions:Ship slides in protective slide holder at room temperature.
Stability:Requests from external customers for stain(s) and/or stain interpretation(s) should be sent to Histology on the West Bank campus within 1-2 hours of receipt in laboratory. Requests from external customers for pathology consultation should be sent to the Surgical Pathology office on the East Bank campus.
Test Performed at or Referral Lab Anatomic Pathology, West Bank  (UMMC/UMMCH-West Bank)


Reference Range:Interpretive report upon request; limited to stains denoted with *.
Use:Assist in identification of tumors, infectious processes or other abnormalities.

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[email protected] for TestID: 835"