1 category

     Material with uncomplicated forms of nonspecific acute or chronic inflammation or dystrophic processes       

  • hernial sac

  • false diverticula of the gastrointestinal tract (true diverticula - the second category of complexity)

  • stomach with peptic ulcer without perforation (operative material)

  • gallbladder, appendix - inflammation, except for destructive forms (phlegmonous, gangrenous)

  • limbs, spleen in trauma

  • anal fissures

  • herniated disc of the spine (except in cases requiring decalcification)

  • veins (varicose veins), blood clots and emboli,

  • testicle membranes (hydrocele)

  • foreskin without pathology (circumcision)

  • skin, subcutaneous tissue during cosmetic correction

  • keloid scar

  • fallopian tube with hydrosalpinx (sactosalpinx)

  • ureter with its stenosis (non-tumor)


    2 category

    Material with complicated forms of nonspecific acute or chronic inflammation, dystrophic processes and malformations, placenta;

  • cyst of any localization (kidney, paranasal sinus, liver, etc.), including parasitic, non-tumor nature

  • fistulas

  • true intestinal diverticula

  • bowel with diverticulosis with perforation, gangrene, intestinal obstruction without tumor

  • gallbladder,  appendix in destructive forms of inflammation

  • uterine appendages with purulent inflammation

  • fallopian tubes in tubal pregnancy

  • hemorrhoids

  • epithelial coccygeal passage

  • ovarian cysts (follicular, corpus luteum, endometrioid) that do not have an ICD-O code.

  • sclerocystic ovaries

  • tonsils with tonsillitis, hypertrophy, adenoids

  • stomach with gastric ulcer with perforation, bleeding

  • limbs with gangrene

  • endometriosis internal and external

  • mammary gland with mastitis

  • afterbirth

  • ectopic pregnancy


      3 category

    Material with infectious diseases, including those accompanied by granulomatous inflammation, diseases associated with metabolic disorders, benign tumors in the presence of histological verification, tumor-like processes, non-oncological diseases of the eye, endometrial scrapings;

  • granulomatous inflammation (tuberculosis, sarcoidosis, etc.) of any localization

  • allergic polyps of the paranasal sinuses

  •   endometrial scrapings except for hyperplastic processes, tumors

  •   cervical tissue with inflammation, ectopia, ectropion

  • fibrocystic disease (mastopathy) without dysplasia

  • nodular prostatic hyperplasia (without dysplasia),

  • choleteatoma

  • tophi


      4 category

    Material with dysplastic (neoplastic) processes, borderline, and malignant tumors in the presence of histological verification, as well as obtained from urgent intraoperative or endoscopic biopsies

  • endometrial scrapings in hyperplastic processes

  • prostate tissue in adenosis

  • any material with dysplasia

  • any material for urgent intraoperative biopsies

  • any material in endoscopic biopsies (in the absence of additional stains)

  • urgent research



    5 category

    Material with immunopathological processes, tumors and tumor-like processes in the absence of histological verification, diseases of the blood system and hematopoietic organs obtained from puncture biopsies, or any other biopsy (surgical) material requiring the use of decalcification and (or) additional methods

  • needle biopsies

  •   all tumors and tumor-like processes (in the absence of primary verification)

  • tumors and tumor-like lesions of hematopoietic and lymphoid tissue

  •   any case that required decalcification, the use of histochemical, bacterioscopic, immunohistochemical, morphometric, molecular biological, electron microscopy methods when performing those,

  •   immunopathological processes (vasculitis, rheumatic, autoimmune diseases),

  • epulis,

  • cervical intraepithelial neoplasia: CIN-I, CIN-II, CIN-III,

  • prostatic interepithelial neoplasia: PIN,

  • all polyps.