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ICD-10 Coding for Duodenal Polyp(K31.7, D13.1)

Complete ICD-10-CM coding and documentation guide for Duodenal Polyp. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Polyp of the DuodenumDuodenal Adenoma

Related ICD-10 Code Ranges

Complete code families applicable to Duodenal Polyp

K31.7Primary Range

Polyp of stomach and duodenum

Primary code for non-neoplastic duodenal polyps.

Benign neoplasm of duodenum

Used for adenomatous or neoplastic duodenal polyps.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K31.7Polyp of stomach and duodenumUse for non-neoplastic polyps such as hyperplastic, inflammatory, or hamartomatous polyps.
  • Endoscopic findings of small (<1 cm), sessile lesions without dysplasia on histology
D13.1Benign neoplasm of duodenumUse for adenomatous or neoplastic polyps.
  • Histology showing tubular/villous architecture, dysplasia

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for duodenal polyp

Essential facts and insights about Duodenal Polyp

The ICD-10 code for a non-neoplastic duodenal polyp is K31.7, while D13.1 is used for adenomatous or neoplastic polyps.

Primary ICD-10-CM Codes for duodenal polyp

Polyp of stomach and duodenum
Billable Code

Decision Criteria

clinical Criteria

  • Histology confirms non-neoplastic nature

coding Criteria

  • Polyp size and morphology documented

Applicable To

  • Non-neoplastic duodenal polyps

Excludes

  • Adenomatous polyp of stomach (D13.1)

Clinical Validation Requirements

  • Endoscopic findings of small (<1 cm), sessile lesions without dysplasia on histology

Code-Specific Risks

  • Misclassification of adenomatous polyps as non-neoplastic

Coding Notes

  • Ensure histological confirmation to differentiate between non-neoplastic and adenomatous polyps.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Family history of GI cancer

Z80.0
Use when there is a family history of gastrointestinal cancer.

Family history of colon polyps

Z83.71
Use when there is a family history of colon polyps.

Personal history of familial adenomatous polyposis

Z87.810
Use when there is a history of FAP.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Benign neoplasm of duodenum

D13.1
Use for adenomatous polyps with tubular/villous architecture on histology.

Polyp of stomach and duodenum

K31.7
Use for non-neoplastic polyps.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Duodenal Polyp to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K31.7.

Impact

Clinical: May lead to inappropriate treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation Strategy

Ensure histology is documented in the medical record.

Impact

Reimbursement: Incorrect coding may lead to reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Affects accuracy of medical records.

Mitigation Strategy

Use D13.1 for adenomatous polyps.

Impact

Lack of detailed histology can lead to audit issues.

Mitigation Strategy

Ensure all histological findings are documented.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Duodenal Polyp, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Duodenal Polyp

Use these documentation templates to ensure complete and accurate documentation for Duodenal Polyp. These templates include all required elements for proper coding and billing.

Endoscopic removal of duodenal polyp

Specialty: Gastroenterology

Required Elements

  • Polyp size
  • Location in duodenum
  • Morphology
  • Removal technique

Examples: Poor vs. Good Documentation

Poor Documentation Example
Duodenal polyp found and biopsied.
Good Documentation Example
15mm sessile polyp in duodenal bulb with lobulated surface, removed via cold snare.
Explanation
The good example provides specific details necessary for accurate coding and billing.

Need help with ICD-10 coding for Duodenal Polyp? Ask your questions below.

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