Respiratory System (J00-J99).
- Pneumonia (pneumonia).
Liver, gallbladder, and biliary tract-pancreas (pancreas) (K70-K77; K80-K87).
- Cholecystitis (gallbladder inflammation).
- Pancreatitis (inflammation of the pancreas)
Mouth, esophagus (esophagus), stomach, and intestines (K00-K67; K90-K93).
- Appendicitis (appendicitis).
- Sigmoid diverticulitis – inflammation of diverticula in the sigmoid colon (called the sigmoid loop, sigmoid colon, or sigmoid; fourth and final portion of the human large intestine, about 35-40 cm long)
Genitourinary system (kidneys, urinary tract – sex organs) (N00-N99).
- Adnexitis – inflammation of the fallopian tubes and ovary.
- Acute pyelonephritis (inflammation of the renal pelvis).
- Chronic pyelonephritis (inflammation of the renal pelvis).
- Emphysematous pyelonephritis – form of chronic pyelonephritis with spontaneous gas formation – by gas-producing aerobes and facultative anaerobes – in the renal parenchyma; very rare – occurs practically only in diabetics.
- Papillary necrosis – destruction of the renal papillae with deposition of pigment and shrinkage of the renal parenchyma.
- Perirenal abscess – encapsulated accumulation of pus in the tissue surrounding the kidney.
- Renal abscess – encapsulated collection of pus in the kidney.
- Xanthogranulomatous pyelonephritis – special form of chronic pyelonephritis with formation of pus or granulomas.
