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2025 ICD-10-CM code T18.5

Foreign body in anus and rectum.

Use secondary code(s) from Chapter 20, External causes of morbidity (V01-Y99), to indicate the cause of injury. Use additional code to identify any retained foreign body, if applicable (Z18.-).

Medical necessity is established by the presence of a foreign body in the anus or rectum causing symptoms or posing a risk of complications.

Clinicians are responsible for identifying and removing the foreign body, managing any complications such as bleeding, perforation, or infection, and providing appropriate aftercare.

In simple words: An object is stuck in the anus or rectum.

The presence of a foreign object lodged within the anus or rectum.

Example 1: A patient presents to the emergency room after inserting a sex toy into their rectum, which they are now unable to retrieve., A child is brought to the clinic after accidentally swallowing a small toy, which is later found lodged in the rectum., An elderly patient with dementia inserts a foreign object into their anus, requiring medical intervention for removal.

Documentation should include details about the type of foreign body, the method of insertion or ingestion, any associated symptoms, the method of removal, and any complications encountered.

** Excludes1: birth trauma (P10-P15), obstetric trauma (O70-O71). Excludes2: foreign body accidentally left in operation wound (T81.5-), foreign body in penetrating wound - See open wound by body region, residual foreign body in soft tissue (M79.5), splinter, without open wound - See superficial injury by body region. Use additional code, if known, for foreign body entering into or through a natural orifice (W44.-).

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