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Search ICD 9 Diagnosis Codes by Chapter

ChapterSummary, click to browse
Chapter 1Infectious And Parasitic Diseases (001-139)
Chapter 2Neoplasms (140-239)
Chapter 3Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders (240-279)
Chapter 4Diseases Of The Blood And Blood-Forming Organs (280-289)
Chapter 5Mental Disorders (290-319)
Chapter 6Diseases Of The Nervous System And Sense Organs (320-389)
Chapter 7Diseases Of The Circulatory System (390-459)
Chapter 8Diseases Of The Respiratory System (460-519)
Chapter 9Diseases Of The Digestive System (520-579)
Chapter 10Diseases Of The Genitourinary System (580-629)
Chapter 11Complications Of Pregnancy, Childbirth, And The Puerperium (630-679)
Chapter 12Diseases Of The Skin And Subcutaneous Tissue (680-709)
Chapter 13Diseases Of The Musculoskeletal System And Connective Tissue (710-739)
Chapter 14Congenital Anomalies (740-759)
Chapter 15Certain Conditions Originating In The Perinatal Period (760-779)
Chapter 16Symptoms, Signs, And Ill-Defined Conditions (780-799)
Chapter 17Injury And Poisoning (800-999)
Chapter 18Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services (V01-V91)
Chapter 19Supplementary Classification Of External Causes Of Injury And Poisoning (E000-E999)