K81
Non-billableCholecystitis
K81 is the ICD-10-CM code for Cholecystitis. It is a non-billable category code — use a more specific child code such as K81.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 4
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHYour gallbladder is a pear-shaped organ under your liver. It stores bile, a fluid made by your liver to digest fat. As your stomach and intestines digest food, your gallbladder releases bile through a tube called the common bile duct. The duct connects your gallbladder and liver to your small intestine. Your gallbladder is most likely to give you trouble if something blocks the flow of bile through the bile ducts .…
Read more about Gallbladder Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •cholecystitis with cholelithiasis (K80.-)
Use additional code
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.
Frequently asked questions
- What is ICD-10 code K81?
- K81 is the ICD-10-CM code for "Cholecystitis". It falls under K00-K95 Diseases of the digestive system.
- Is K81 a billable code?
- No — K81 is a non-billable header code. Use a more specific child code (such as K81.0) for billing.
- What is excluded from K81?
- Excludes1 (not coded here): cholecystitis with cholelithiasis (K80.-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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