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K31.7
ICD-10-CM
Fundic Gland Polyp

Learn about Fundic Gland Polyp (FGP) diagnosis, including clinical documentation, medical coding, and healthcare implications. Find information on Gastric Fundic Gland Polyps, FGPs, and their associated symptoms, causes, and treatment options. This resource provides accurate and reliable details for medical professionals, patients, and coders seeking information related to Fundic Gland Polyps.

Also known as

FGP
Gastric Fundic Gland Polyp

Diagnosis Snapshot

Key Facts
  • Definition : Benign polyp commonly found in the stomach fundus, often linked to long-term proton pump inhibitor use.
  • Clinical Signs : Usually asymptomatic, but large polyps can cause bleeding or abdominal discomfort. Often discovered during endoscopy.
  • Common Settings : Outpatient endoscopy clinics, gastroenterology departments, primary care offices for initial consultation.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K31.7 Coding
K31.8

Other diseases of stomach and duodenum

This code encompasses other specified disorders affecting the stomach and duodenum, including fundic gland polyps.

D13.1

Benign neoplasm of stomach

This includes all benign growths in the stomach, potentially relevant for some fundic gland polyps.

K31.7

Polyp of stomach and duodenum

This code is a more general category for polyps found within the stomach and duodenum.

Code-Specific Guidance

Decision Tree for

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

Is the Fundic Gland Polyp associated with familial adenomatous polyposis (FAP)?

  • Yes

    Code D13.6 (Benign neoplasm of stomach)

  • No

    Is the polyp associated with proton pump inhibitor (PPI) use?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Benign polyp in stomach fundus.
Precancerous polyp, usually in stomach antrum.
Stomach inflammation, not a polyp.

Documentation Best Practices

Documentation Checklist
  • Fundic gland polyp (FGP) size, location, and number documented.
  • FGP endoscopic appearance (e.g., sessile, pedunculated) noted.
  • Histopathology report confirming FGP diagnosis included.
  • Association with proton pump inhibitors (PPIs) documented if applicable.
  • Specify if sporadic or syndromic (e.g., FAP) FGP.

Coding and Audit Risks

Common Risks
  • Unspecified Location

    Coding FGP lacks anatomical specificity if not documented as gastric/stomach, potentially leading to claim denials or inaccurate quality metrics.

  • Multiple FGP Coding

    Counting and coding multiple FGPs requires distinct size/location documentation for each polyp to ensure appropriate reimbursement.

  • Syndrome Association

    Failing to document associated syndromes like FAP or PPAP with FGP can impact medical necessity reviews and future surveillance recommendations.

Mitigation Tips

Best Practices
  • Document FGP size, location, and number for accurate ICD-10 coding (K31.7).
  • CDI: Query physician for FGP association with proton pump inhibitors (PPIs).
  • Monitor PPI use in patients with FGPs for healthcare compliance.
  • Regular endoscopic surveillance for multiple FGPs is crucial for risk management.
  • Biopsy FGPs larger than 5mm to rule out dysplasia for appropriate CPT coding.

Clinical Decision Support

Checklist
  • Confirm multiple gastric fundic gland polyps on endoscopy report
  • Document polyp size, location, and morphology
  • Rule out familial adenomatous polyposis (FAP)
  • Consider proton pump inhibitor (PPI) use history
  • Check CLO test result if available H pylori relevant

Reimbursement and Quality Metrics

Impact Summary
  • Fundic Gland Polyp (FGP) reimbursement hinges on accurate ICD-10-CM coding (K31.7) and proper documentation of size and number for optimal payment.
  • FGP coding quality directly impacts hospital case mix index (CMI) and overall resource allocation.
  • Miscoded FGPs can lead to claim denials, impacting revenue cycle and hospital financial performance.
  • Accurate FGP documentation facilitates quality reporting initiatives related to upper GI endoscopy procedures.

Streamline Your Medical Coding

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Frequently Asked Questions

Common Questions and Answers

Q: What is the most effective management strategy for multiple fundic gland polyps detected during an upper endoscopy in a patient with no significant symptoms?

A: The most effective management strategy for asymptomatic patients with multiple fundic gland polyps (FGPs) detected during upper endoscopy often involves a combination of observation and risk factor modification. While FGPs are generally benign, multiple polyps can occasionally indicate an increased risk of future complications or underlying conditions, especially in association with long-term proton pump inhibitor (PPI) use. Current guidelines generally recommend endoscopic surveillance in patients with five or more FGPs, larger polyps (>1cm), or concerning features. Discontinuing or reducing the dosage of PPIs, if feasible, may also be considered as PPI use is a known risk factor for FGP development and may contribute to polyp multiplicity. Explore how risk factors like PPI use and family history influence FGP management decisions. It is crucial to individualize management based on the patient's specific circumstances, considering factors like age, comorbid conditions, and overall health. Consider implementing a standardized endoscopic surveillance protocol for patients with multiple FGPs to ensure appropriate follow-up and early detection of any potential complications. Learn more about the long-term implications of untreated FGPs.

Q: How can I differentiate fundic gland polyps from other gastric polyps, such as hyperplastic polyps or adenomas, during endoscopic examination?

A: Differentiating fundic gland polyps (FGPs) from other gastric polyps, like hyperplastic polyps or adenomas, requires careful endoscopic evaluation, often combined with histopathological analysis. FGPs typically appear as smooth, sessile, or slightly pedunculated lesions, often multiple and located in the fundus of the stomach. Hyperplastic polyps are frequently irregular and located in the antrum or body. Adenomas, a premalignant lesion, can have varied morphologies but may exhibit villous or irregular features. While visual appearance during endoscopy can provide initial clues, definitive diagnosis relies on biopsy and histological assessment. FGPs exhibit characteristic dilated fundic glands on histology. Consider implementing routine biopsy protocols for all gastric polyps to ensure accurate diagnosis. Explore how advanced imaging techniques, such as narrow-band imaging or confocal laser endomicroscopy, can further enhance differentiation and assessment of gastric lesions.

Quick Tips

Practical Coding Tips
  • Code FGP as D11.1
  • Document polyp size/number
  • Rule out FAP with family hx
  • Consider APC for billing
  • Review pathology report

Documentation Templates

Patient presents with complaints consistent with possible fundic gland polyps (FGPs), also known as gastric fundic gland polyps.  Symptoms reported include  [Insert specific patient symptoms, e.g., dyspepsia, abdominal pain, nausea, or asymptomatic if found incidentally during endoscopy].  Past medical history includes [Insert relevant past medical history, e.g., family history of FGPs, proton pump inhibitor (PPI) use,  or other relevant gastrointestinal conditions].  Family history is significant for [Insert relevant family history, e.g., familial adenomatous polyposis (FAP), or no family history of gastrointestinal polyps].  Medications include [List current medications, noting specifically any PPI use].  Physical examination reveals [Insert relevant findings, e.g., epigastric tenderness or normal abdominal exam].  Upper endoscopy was performed, revealing [Insert endoscopic findings, e.g., multiple small, smooth, sessile polyps in the fundus of the stomach]. Biopsies were taken and sent for histopathological analysis.  Preliminary diagnosis of fundic gland polyps is suspected.  Differential diagnosis includes hyperplastic polyps, adenomas, and carcinoid tumors.  Pending pathology results, a plan for surveillance or polypectomy may be discussed with the patient.  ICD-10 code K31.7 (polyp of stomach) is provisionally assigned.  CPT codes for the endoscopic procedure and biopsies will be added upon completion of the procedure and pathology report. This clinical documentation supports medical necessity for the procedures performed and facilitates accurate medical billing and coding.  Patient education regarding the nature of fundic gland polyps, their association with PPI use, and the importance of follow-up was provided.
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