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ICD-10 Guide
ICD-10 CodesK29.91

K29.91

Billable

Gastroduodenitis, unspecified, with bleeding

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K29.91 is a billable code used to indicate a diagnosis of gastroduodenitis, unspecified, with bleeding.

Key Diagnostic Point:

Gastroduodenitis, unspecified, with bleeding, refers to inflammation of the stomach (gastritis) and the first part of the small intestine (duodenum) that is accompanied by bleeding. This condition can arise from various etiologies, including infections (such as Helicobacter pylori), excessive alcohol consumption, nonsteroidal anti-inflammatory drugs (NSAIDs), and stress-related mucosal disease. Clinically, patients may present with symptoms such as abdominal pain, nausea, vomiting, and hematemesis (vomiting blood) or melena (black, tarry stools). The anatomy involved includes the gastric mucosa and the duodenal lining, which can become eroded or ulcerated, leading to bleeding. Disease progression can vary; if untreated, it may lead to more severe gastrointestinal complications, including perforation or significant blood loss requiring hospitalization. Diagnostic considerations include endoscopy for direct visualization and biopsy, laboratory tests for H. pylori, and imaging studies to assess for complications. Accurate diagnosis is essential for effective management and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires endoscopic evaluation and possible biopsy.
  • Treatment complexity: May involve medications, lifestyle changes, and monitoring for complications.
  • Documentation requirements: Detailed clinical notes and evidence of bleeding are necessary.
  • Coding specificity: Must differentiate from other gastrointestinal conditions.

Audit Risk Factors

  • Common coding errors: Misclassification of bleeding severity or type of gastroduodenitis.
  • Documentation gaps: Incomplete records regarding the cause of bleeding or treatment provided.
  • Billing challenges: Potential denials if the documentation does not clearly support the diagnosis.

Specialty Focus

Medical Specialties

Primary medical specialty: Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Secondary specialty: Internal Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Gastroduodenitis with bleeding can significantly impact patient health, leading to increased healthcare utilization due to hospitalizations and procedures. It is essential for population health as it may indicate underlying issues such as peptic ulcer disease or malignancy. Quality measures may focus on timely diagnosis and effective management to prevent complications. Epidemiologically, the prevalence of H. pylori and NSAID use in the population contributes to the incidence of this condition.

ICD-9 vs ICD-10

Gastroduodenitis with bleeding can significantly impact patient health, leading to increased healthcare utilization due to hospitalizations and procedures. It is essential for population health as it may indicate underlying issues such as peptic ulcer disease or malignancy. Quality measures may focus on timely diagnosis and effective management to prevent complications. Epidemiologically, the prevalence of H. pylori and NSAID use in the population contributes to the incidence of this condition.

Reimbursement & Billing Impact

Reimbursement considerations include the need for clear evidence of the condition's severity and the treatment provided. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for procedures like endoscopy. Best practices include ensuring that all clinical notes are thorough and that any imaging or laboratory results supporting the diagnosis are included in the patient’s medical record.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K29.91?

K29.91 covers unspecified gastroduodenitis with bleeding, which may include acute or chronic inflammation of the stomach and duodenum with associated hemorrhage. It does not specify the underlying cause, which could range from infections to medication-induced damage.

When should K29.91 be used instead of related codes?

K29.91 should be used when there is clear documentation of gastroduodenitis accompanied by bleeding, and when more specific codes (such as those indicating the cause of the bleeding) are not applicable or available.

What documentation supports K29.91?

Documentation should include clinical findings of gastroduodenitis, evidence of bleeding (such as lab results or endoscopic findings), and a thorough history of potential causative factors. Detailed notes on treatment and patient response are also essential.