Common ICD-10 Codes for Pathology

Below is a list of common ICD-10 codes for Pathology. This list of codes offers a great way to become more familiar with your most-used codes, but it's not meant to be comprehensive. If you'd like to build and manage your own custom lists, check out the Code Search!

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• Chapter 1 - Certain infectious and parasitic diseases (A00-B99)
  • + Section B95-B97 -

    Bacterial and viral infectious agents (B95-B97)
    • 10
      B96.5
      Pseudomonas (aeruginosa) (mallei) (pseudomallei) as the cause of diseases classified elsewhere
    • 10
      B96.81
      Helicobacter pylori [H. pylori] as the cause of diseases classified elsewhere
• Chapter 2 - Neoplasms (C00-D49)
  • + Section D37-D48 -

    Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
    • 10
      D44.10
      Neoplasm of uncertain behavior of unspecified adrenal gland
    • 10
      D44.11
      Neoplasm of uncertain behavior of right adrenal gland
    • 10
      D44.12
      Neoplasm of uncertain behavior of left adrenal gland
  • + Section C76-C80 -

    Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
    • 10
      C78.6
      Secondary malignant neoplasm of retroperitoneum and peritoneum
    • 10
      C79.51
      Secondary malignant neoplasm of bone
    • 10
      C79.52
      Secondary malignant neoplasm of bone marrow
  • + Section D10-D36 -

    Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
    • 10
      D12.0
      Benign neoplasm of cecum
    • 10
      D12.1
      Benign neoplasm of appendix
    • 10
      D12.2
      Benign neoplasm of ascending colon
    • 10
      D12.3
      Benign neoplasm of transverse colon
    • 10
      D12.4
      Benign neoplasm of descending colon
    • 10
      D12.5
      Benign neoplasm of sigmoid colon
    • 10
      D12.6
      Benign neoplasm of colon, unspecified
  • + Section C51-C58 -

    Malignant neoplasms of female genital organs (C51-C58)
    • 10
      C56.1
      Malignant neoplasm of right ovary
    • 10
      C56.2
      Malignant neoplasm of left ovary
    • 10
      C56.9
      Malignant neoplasm of unspecified ovary
  • + Section C15-C26 -

    Malignant neoplasms of digestive organs (C15-C26)
    • 10
      C18.9
      Malignant neoplasm of colon, unspecified
    • 10
      C22.0
      Liver cell carcinoma
    • 10
      C22.2
      Hepatoblastoma
    • 10
      C22.3
      Angiosarcoma of liver
    • 10
      C22.4
      Other sarcomas of liver
    • 10
      C22.7
      Other specified carcinomas of liver
    • 10
      C22.8
      Malignant neoplasm of liver, primary, unspecified as to type
• Chapter 3 - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
  • + Section D80-D89 -

    Certain disorders involving the immune mechanism (D80-D89)
    • 10
      D86.0
      Sarcoidosis of lung
    • 10
      D86.1
      Sarcoidosis of lymph nodes
    • 10
      D86.2
      Sarcoidosis of lung with sarcoidosis of lymph nodes
    • 10
      D86.3
      Sarcoidosis of skin
    • 10
      D86.81
      Sarcoid meningitis
    • 10
      D86.82
      Multiple cranial nerve palsies in sarcoidosis
    • 10
      D86.83
      Sarcoid iridocyclitis
    • 10
      D86.84
      Sarcoid pyelonephritis
    • 10
      D86.85
      Sarcoid myocarditis
    • 10
      D86.86
      Sarcoid arthropathy
    • 10
      D86.87
      Sarcoid myositis
    • 10
      D86.89
      Sarcoidosis of other sites
    • 10
      D86.9
      Sarcoidosis, unspecified
• Chapter 9 - Diseases of the circulatory system (I00-I99)
  • + Section I30-I52 -

    Other forms of heart disease (I30-I52)
    • 10
      I31.3
      Pericardial effusion (noninflammatory)
    • 10
      I31.9
      Disease of pericardium, unspecified
• Chapter 10 - Diseases of the respiratory system (J00-J99)
  • + Section J80-J84 -

    Other respiratory diseases principally affecting the interstitium (J80-J84)
    • 10
      J84.112
      Idiopathic pulmonary fibrosis
• Chapter 11 - Diseases of the digestive system (K00-K95)
  • + Section K80-K87 -

    Disorders of gallbladder, biliary tract and pancreas (K80-K87)
    • 10
      K80.20
      Calculus of gallbladder without cholecystitis without obstruction
    • 10
      K80.80
      Other cholelithiasis without obstruction
    • 10
      K86.0
      Alcohol-induced chronic pancreatitis
    • 10
      K86.1
      Other chronic pancreatitis
  • + Section K20-K31 -

    Diseases of esophagus, stomach and duodenum (K20-K31)
    • 10
      K26.7
      Chronic duodenal ulcer without hemorrhage or perforation
  • + Section K55-K64 -

    Other diseases of intestines (K55-K64)
    • 10
      K56.60
      Unspecified intestinal obstruction
    • 10
      K63.5
      Polyp of colon
• Chapter 12 - Diseases of the skin and subcutaneous tissue (L00-L99)
  • + Section L80-L99 -

    Other disorders of the skin and subcutaneous tissue (L80-L99)
    • 10
      L92.8
      Other granulomatous disorders of the skin and subcutaneous tissue
    • 10
      L98.0
      Pyogenic granuloma
• Chapter 14 - Diseases of the genitourinary system (N00-N99)
  • + Section N60-N65 -

    Disorders of breast (N60-N65)
    • 10
      N63
      Unspecified lump in breast
  • + Section N40-N53 -

    Diseases of male genital organs (N40-N53)
    • 10
      N49.0
      Inflammatory disorders of seminal vesicle
  • + Section N70-N77 -

    Inflammatory diseases of female pelvic organs (N70-N77)
    • 10
      N73.9
      Female pelvic inflammatory disease, unspecified
• Chapter 18 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  • + Section R20-R23 -

    Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
    • 10
      R22.2
      Localized swelling, mass and lump, trunk

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