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Pelvic Inflammatory Disease (PID)
1990 Case Definition

Clinical Description

A clinical syndrome resulting from the ascending spread of microorganisms from the vagina and endocervix to the endometrium, fallopian tubes, and/or contiguous structures. All of the following clinical criteria must be present:

  • Abdominal direct tenderness
  • Tenderness with motion of the cervix
  • Adnexal tenderness
In addition to all of the above criteria, at least one of the following findings must also be present:
  • Meets the surveillance case definition of Chlamydia trachomatis infection or gonorrhea
  • Temperature greater than 38°C
  • Leukocytosis greater than 10,000 WBC/mm3
  • Purulent material in the peritoneal cavity obtained by culdocentesis or laparoscopy
  • Pelvic abscess or inflammatory complex on bimanual examination or by sonography
  • Patient is a sexual contact of a person known to have gonorrhea, chlamydia, or Nongonococcal urethritis

Case Classification


A case that meets the clinical case definition


For reporting purposes, a clinician's report of pelvic inflammatory disease should be counted as a case.