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D12.6
ICD-10-CM
Tubulovillous Adenoma

Find comprehensive information on Tubulovillous Adenoma, including clinical documentation, medical coding (ICD-10, SNOMED CT), histology, pathology reports, colonoscopy findings, polyp removal procedures, and treatment options. Learn about dysplasia, adenoma diagnosis, and surveillance guidelines for patients with Tubulovillous Adenoma. This resource provides essential information for healthcare professionals, clinicians, and medical coders seeking accurate and up-to-date information on Tubulovillous Adenoma.

Also known as

Adenomatous Polyp
Colonic Adenoma

Diagnosis Snapshot

Key Facts
  • Definition : Benign colon polyp with finger-like projections, potential for cancer.
  • Clinical Signs : Often asymptomatic, may cause rectal bleeding or changes in bowel habits.
  • Common Settings : Detected during colonoscopy, often removed for biopsy analysis.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC D12.6 Coding
D12.6

Benign neoplasm of colon

This code specifies a benign tumor in the large intestine, including tubulovillous adenomas.

K63.5

Polyp of colon

This code identifies a polyp in the colon, which can include adenomatous polyps like tubulovillous adenomas.

Z86.010

Personal history of colonic polyps

This code indicates a past history of colon polyps, which may have included a tubulovillous adenoma.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the tubulovillous adenoma confirmed by pathology?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Tubulovillous adenoma
Tubular adenoma
Villous adenoma

Documentation Best Practices

Documentation Checklist
  • Tubulovillous adenoma: size, location, and number
  • Histological confirmation of tubulovillous adenoma
  • High-resolution colonoscopy findings
  • Sessile or pedunculated morphology documented
  • Dysplasia grade (low or high grade) specified

Coding and Audit Risks

Common Risks
  • Histology Misinterpretation

    Incorrectly identifying the adenoma subtype (e.g., tubular, villous) from pathology report, impacting code selection (D12.6).

  • Location Specificity Lacking

    Missing documentation of the precise adenoma site (e.g., colon, rectum) leads to coding ambiguity (D12.6, D12.7).

  • Size Documentation Deficit

    Incomplete adenoma size recording hinders accurate code assignment and potential surveillance guidelines (D12.6).

Mitigation Tips

Best Practices
  • Code adenoma histology precisely: ICD-10 D12.6, SNOMED CT 8263.
  • Document adenoma size, location, & villous features for accurate CDI.
  • Ensure complete colonoscopy documentation for compliance & risk adjustment.
  • Timely surveillance colonoscopy post-polypectomy reduces recurrence risk.
  • Molecular testing (KRAS, BRAF) can inform prognosis & treatment.

Clinical Decision Support

Checklist
  • Confirm histology report: Tubulovillous adenoma
  • Document adenoma size and location precisely
  • Check for high-grade dysplasia or invasive carcinoma
  • Assess family history of colon cancer/polyps
  • Schedule surveillance colonoscopy per guidelines

Reimbursement and Quality Metrics

Impact Summary
  • Tubulovillous Adenoma reimbursement hinges on accurate coding (ICD-10 D12.6) and proper documentation for optimal payment.
  • Quality metrics impacted: Adenoma detection rate, surveillance colonoscopy adherence. Accurate coding improves hospital reporting.
  • Missed or incorrect coding (e.g., polyp NOS) can lead to claim denials and reduced reimbursement for Tubulovillous Adenoma.
  • Complete documentation of size, location, and histology is crucial for accurate staging and appropriate Tubulovillous Adenoma billing.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective surveillance strategies for tubulovillous adenoma after endoscopic resection, considering size and location?

A: Surveillance strategies for tubulovillous adenoma post-endoscopic resection should be tailored to individual patient risk, factoring in size, location, and histopathology. For low-risk TVAs (e.g., <1cm, distal colon, low-grade dysplasia), colonoscopy at 3 years may be sufficient. However, for high-risk features like larger size (>1cm), proximal location, high-grade dysplasia, or a villous component exceeding 75%, closer surveillance (e.g., 1 year) or even surgical consultation should be considered. Explore how our advanced endoscopic imaging modalities can aid in precise adenoma characterization and inform surveillance intervals. Incomplete resection also necessitates earlier repeat colonoscopy (e.g., 2-6 months). Adherence to established guidelines, such as those from the American Society for Gastrointestinal Endoscopy (ASGE) and the US Multi-Society Task Force on Colorectal Cancer, is crucial. Consider implementing a structured surveillance program in your practice to optimize patient outcomes.

Q: How do you differentiate tubulovillous adenoma from other colon polyps, specifically from villous adenoma and tubular adenoma during colonoscopy, and what are the key histological features that help in this differentiation?

A: Differentiating tubulovillous adenoma from other colon polyps like villous adenoma and tubular adenoma during colonoscopy can be challenging visually. Villous adenomas often appear sessile and velvety, while tubular adenomas are typically pedunculated and smooth. Tubulovillous adenomas can exhibit mixed features. Histological analysis is definitive. Tubular adenomas have >75% tubular architecture, villous adenomas have >75% villous architecture, while tubulovillous adenomas have a mixture with 25-75% villous component. Key histological features to look for include the proportion of villous architecture, the degree of dysplasia, and the presence of high-grade dysplasia or carcinoma in situ. Learn more about advanced endoscopic techniques, such as narrow-band imaging and magnification chromoendoscopy, that may aid in real-time assessment of villous component and guide biopsy and resection strategies. Accurate histological diagnosis is essential for appropriate management and surveillance.

Quick Tips

Practical Coding Tips
  • Code D12.6 for TVA
  • Document size, location
  • Specify if high-grade dysplasia
  • Check for synchronous lesions
  • Consider polyp count code

Documentation Templates

Tubulovillous adenoma diagnosed.  Patient presents with (insert presenting symptoms, e.g., rectal bleeding, altered bowel habits, abdominal discomfort, or asymptomatic screening finding).  Colonoscopy revealed a (size) cm tubulovillous adenoma located in the (location, e.g., sigmoid colon, rectum).  The lesion appeared (description, e.g., sessile, pedunculated, villous component estimated at X%) and was (color and texture description, e.g., reddish, friable, smooth).  Complete endoscopic resection was performed (e.g., snare polypectomy, endoscopic mucosal resection) with (successful or unsuccessful) removal of the adenoma.  Histopathology confirmed tubulovillous adenoma with (high-grade dysplasia, low-grade dysplasia, no dysplasia specified).  Margins are (positive, negative, indeterminate).  The patient was counseled on the importance of colonoscopy surveillance due to increased risk of colorectal cancer and recurrence.  Follow-up colonoscopy recommended in (timeframe, e.g., 3-5 years) or sooner if symptomatic.  Differential diagnoses considered included hyperplastic polyp, serrated adenoma, and adenocarcinoma.  ICD-10 code D12.6 (Benign neoplasm of colon) and CPT code (relevant polypectomy or resection code, e.g., 45385) assigned.  Discussion regarding genetic testing and family history of colorectal cancer will be addressed at follow-up.  Patient education provided regarding signs and symptoms of recurrence, including bleeding, changes in bowel habits, and abdominal pain.