ICD-10-CM
ICD-10 code for Appendicitis (pneumococcal) (retrocecal): K37
The ICD-10-CM index points "Appendicitis (pneumococcal) (retrocecal)" to K37, Unspecified appendicitis. K37 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- K35.80acute (catarrhal) (fulminating) (obstructive) (retrocecal) (suppurative), Unspecified acute appendicitisBillable
- A06.89amebic, Other amebic infectionsBillable
- K36chronic (recurrent), Other appendicitisBillable
- K36healed (obliterative), Other appendicitisBillable
- K36interval, Other appendicitisBillable
- K36neurogenic, Other appendicitisBillable
- K36obstructive, Other appendicitisBillable
- K36recurrent, Other appendicitisBillable
- K36relapsing, Other appendicitisBillable
- K35.32ruptured NOS (with localized peritonitis), Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscessBillable
- K36subacute (adhesive), Other appendicitisBillable
- K36subsiding, Other appendicitisBillable
- A18.32tuberculous, Tuberculous enteritisBillable