^Histopathology IQC Plan ^ ^ ^ ^ ^ |No. of product groups |No. of tests/ calibration parameters |Does the IQC plan broadly cover all tests/calibrations & details thereof|Frequency of IQC checks |Compliance criteria| |1.Biopsy (small, medium & large tissues; Slides and blocks for second opinion):|* Grossing\\ * Decalcification\\ * Processing\\ * Paraffin embedding\\ \\ - Microtomy\\ \\ - H&E staining\\ \\ * \\ * Light Microscopy\\ \\ with interpretation | |-Lot validation with every change of reagent Lot\\ \\ - Section cutting and staining of each person\\ \\ Every 15 days\\ \\ - Daily QC for H&E staining\\ \\ - Inter observer quality control once in a month| | |2.Histochemistry: |* PAS( Periodic Acid Schiff) stain\\ * Reticulin (Gordon and Sweet’s) stain\\ * Perl’s Prussian blue stain for Iron\\ * ZN (Ziehl Neelsen) stain for AFB\\ * Masson Trichrome stain\\ * Grocott Methanamine Silver Stain\\ * Alcian Blue stain\\ * Toludine Blue\\ \\ - Giemsa (May\\ \\ Grunwald Giemsa)| |- IQC with each special stain\\ -interobserver comparision of all special stains every 6 months\\ \\ -Lot validation with every change of reagent lot | | |3.Tissue received in normal saline: |* Grossing\\ * Processing & section cutting by cryostat H & E staining | |Slides of each case for frozen section is sent for review by another authorised signatory posted in other section | |