What is the ICD-10 (International Classification of Diseases, 10th Revision) code for a gallbladder polyp?

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Last updated: April 15, 2025 • View editorial policy

From the Research

The ICD-10 code for a gallbladder polyp is K82.8, which represents "Other specified diseases of gallbladder." This code is used when documenting the presence of a polyp in the gallbladder discovered during imaging studies or other diagnostic procedures, as noted in recent studies 1. Gallbladder polyps are outgrowths of tissue that project from the gallbladder wall into the gallbladder lumen. Most gallbladder polyps (about 95%) are non-neoplastic and consist of cholesterol deposits, inflammatory tissue, or adenomyomatous hyperplasia, as discussed in 2, 3, 4. When coding for gallbladder polyps, it's essential to note that if the polyp is determined to be malignant, a different code from the neoplasm category would be used instead. For proper documentation and billing purposes, the medical record should include details about the polyp's size, characteristics, and any associated symptoms to support the use of this code. Key factors to consider in the management of gallbladder polyps include size, symptoms, and risk factors for malignancy, as outlined in 3 and 1. The current evidence suggests that the risk of malignancy in gallbladder polyps is low, particularly for polyps less than 10mm, but data quality is generally low, and heterogeneity exists between studies 1. Therefore, a comprehensive approach to diagnosis, treatment, and follow-up is crucial, taking into account the latest guidelines and research findings 2, 3, 1.

Some key points to consider when coding for gallbladder polyps include:

  • The polyp's size and characteristics
  • Associated symptoms
  • Risk factors for malignancy
  • The need for ongoing surveillance or surgical intervention
  • The importance of accurate documentation and coding for billing and medical record purposes.

Overall, the management of gallbladder polyps requires a thoughtful and individualized approach, considering the latest evidence and guidelines to optimize patient outcomes, as emphasized in 2, 3, 1.

References

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