T18.4 Foreign body in colon

Non-billable ICD-10-CM code.

Applies from T18 Foreign body in alimentary tract

Excludes2 (not included here)

• foreign body in pharynx (T17.2-)

7th character note

• The appropriate 7th character is to be added to each code from category T18

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to T18.4

Back-references to T18

• Type 2 Excludes: Z03.82 Encounter for observation for suspected foreign body ruled out ("foreign body in alimentary tract (T18)")
• Type 1 Excludes: Z18 Retained foreign body fragments ("foreign body entering through orifice (T15-T19)")

Diagnosis Index entries for T18.4

• Foreign body › alimentary tract › colon
• Foreign body › entering through orifice › appendix
• Foreign body › entering through orifice › cecum
• Foreign body › entering through orifice › colon
• Foreign body › entering through orifice › intestine (small) › large
• Foreign body › entering through orifice › large intestine

Nearby codes

• T18.2XXS Foreign body in stomach, sequela
• T18.3 Foreign body in small intestine
• T18.3XXA Foreign body in small intestine, initial encounter
• T18.3XXD Foreign body in small intestine, subsequent encounter
• T18.3XXS Foreign body in small intestine, sequela
• T18.4 Foreign body in colon (this code)
• T18.4XXA Foreign body in colon, initial encounter
• T18.4XXD Foreign body in colon, subsequent encounter
• T18.4XXS Foreign body in colon, sequela
• T18.5 Foreign body in anus and rectum
• T18.5XXA Foreign body in anus and rectum, initial encounter