K91
Non-billableIntraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
K91 is the ICD-10-CM code for Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified. It is a non-billable category code — use a more specific child code such as K91.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 8
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHWhen you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion. Your digestive system is a series of hollow organs joined in a long, twisting tube. It runs from your mouth to your anus and includes your esophagus, stomach, and small and large intestines. Your liver, gallbladder and pancreas are also involved. They produce juices to help…
Read more about Digestive Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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