K91.89

Billable code

Other postprocedural complications and disorders of digestive system

The ICD-10 code for other postprocedural complications and disorders of digestive system is K91.89.

Clinical notes

Excludes2 (not included here)

An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.

postprocedural retroperitoneal abscess (K68.11)

Use additional code

This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.

code, if applicable, to further specify disorder

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

•If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
•As a general rule, code to the highest level of specificity supported by the documentation in the medical record.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

5644Approximate match
99749Approximate match

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

K91.89 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.