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Neuroendocrine Markers/Other Hormones by Immunohistochemistry (IHC)

Test Code

See associations below

Test Code Description
I CHROGRAN Chromogranin A
I NSE Neuron-specific enolase (NSE)
I SYNPTP Synaptophysin
  *Performed at affiliate laboratory
I ANDRO Androgen receptor*
I CALCT Calcitonin*
I GASTRIN G-cell antral/pyloric mucosa*
I SOMATO Somatostatin, D-cell pancreatic islet cell*



Technical component (TC) available for all markers

Turnaround Time

2 days

Specimen Requirements
  • Formalin fixed tissue
  • Formalin fixed paraffin embedded tissue (preferred)
Specimen Stability
Indefinitely at room temperature
Storage & Handling
  • Ship ambient.
  • In extreme hot weather, ship with a cool pack.
Causes for Rejection

Inadequate fixation; Improper labeling

Reference Range

Marker and tissue specific


Results are reviewed by a board-certified pathologist to determine if tissues are positive or negative for the marker. These results may be used to assist in determining appropriate patient therapy or treatment.
Immunohistochemistry combines the principles of histochemistry with the high degree of molecular specificity of the antibody-antigen reaction. The use of an enhanced-polymer detection system provides many benefits including increased sensitivity, fewer procedural steps as compared to conventional techniques, and a reduction in non-specific background staining.

MPLN offers a range of markers by Immunohistochemistry including hematologic, tissue specific, infectious agents and proliferation antigens.

  1. Press M et al. (2002). Steroids. 67:799-813.
  2. Perttschuk et al. (1996). Cancer. 77:2514-15.
  3. Battifora et al. (1993). Appl Immunohistochem. 1:39-45.