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2025 ICD-10-CM code A56.11

Chlamydial female pelvic inflammatory disease.

Use additional code to identify resistance to antimicrobial drugs (Z16.-). Excludes1: certain localized infections - see body system-related chapters. Excludes2: carrier or suspected carrier of infectious disease (Z22.-), infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-), infectious and parasitic diseases specific to the perinatal period (P35-P39), influenza and other acute respiratory infections (J00-J22).

Medical necessity is established by the presence of signs, symptoms, and laboratory confirmation of chlamydial infection causing pelvic inflammatory disease. Treatment aims to prevent serious long-term consequences such as infertility and ectopic pregnancy.

Diagnosis involves evaluating symptoms (fever, pelvic pain, abnormal vaginal discharge, irregular bleeding), physical examination, and laboratory tests (vaginal cultures). Imaging studies (ultrasound, MRI) may be used to assess the extent of the infection.

In simple words: Chlamydia infection causing pelvic inflammatory disease (PID) in women. PID is an infection of the female reproductive organs that can cause serious problems like infertility or ectopic pregnancy.

Sexually transmitted disease caused by Chlamydia trachomatis leading to pelvic inflammatory disease in females.

Example 1: A 25-year-old female presents with lower abdominal pain, fever, and vaginal discharge. Tests confirm Chlamydia trachomatis infection and pelvic inflammatory disease., A 30-year-old female experiencing painful urination and irregular bleeding is diagnosed with chlamydial PID through laboratory testing and imaging studies., A female with a history of chlamydia experiences severe pelvic pain and is found to have a tubo-ovarian abscess, a complication of PID.

Documentation should include signs and symptoms, physical exam findings, laboratory results confirming Chlamydia trachomatis infection, and imaging results if performed.

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