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ICD-10 Guide
ICD-10 CodesK27.1

K27.1

Billable

Acute peptic ulcer, site unspecified, with perforation

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

Code Description

ICD-10 K27.1 is a billable code used to indicate a diagnosis of acute peptic ulcer, site unspecified, with perforation.

Key Diagnostic Point:

Acute peptic ulcer with perforation is a serious gastrointestinal condition characterized by a breach in the wall of the stomach or duodenum, leading to the leakage of gastric contents into the peritoneal cavity. Clinically, patients may present with sudden onset of severe abdominal pain, often described as sharp or stabbing, accompanied by signs of peritonitis such as rigidity, rebound tenderness, and guarding. The anatomy involved includes the gastric mucosa and the underlying layers of the stomach wall. Disease progression can be rapid, with perforation leading to peritonitis, sepsis, and potentially life-threatening complications if not addressed promptly. Diagnostic considerations include imaging studies such as abdominal X-rays or CT scans to confirm perforation, along with laboratory tests to assess for infection and electrolyte imbalances. Timely diagnosis and intervention are crucial to prevent morbidity and mortality associated with this condition.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

Specialty Focus

Medical Specialties

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

General Surgery

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

The clinical significance of K27.1 is profound, as perforated peptic ulcers can lead to severe complications, including peritonitis and sepsis, which significantly impact patient outcomes. The population health impact is notable, with a prevalence that varies by demographic factors such as age and comorbid conditions. Quality measures related to timely diagnosis and treatment of perforated ulcers are critical in healthcare settings, influencing healthcare utilization patterns and resource allocation. Epidemiologically, the incidence of perforated ulcers has been associated with lifestyle factors, such as smoking and NSAID use, highlighting the need for preventive strategies.

ICD-9 vs ICD-10

The clinical significance of K27.1 is profound, as perforated peptic ulcers can lead to severe complications, including peritonitis and sepsis, which significantly impact patient outcomes. The population health impact is notable, with a prevalence that varies by demographic factors such as age and comorbid conditions. Quality measures related to timely diagnosis and treatment of perforated ulcers are critical in healthcare settings, influencing healthcare utilization patterns and resource allocation. Epidemiologically, the incidence of perforated ulcers has been associated with lifestyle factors, such as smoking and NSAID use, highlighting the need for preventive strategies.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition, which may warrant higher payment levels due to the complexity of care required. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for procedures performed. Adhering to coding best practices, including accurate code selection and thorough documentation, can mitigate these risks.

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 K27.1?

K27.1 specifically covers acute peptic ulcers that have resulted in perforation, which may occur in the stomach or duodenum. It does not include ulcers that are chronic or those without perforation.

When should K27.1 be used instead of related codes?

K27.1 should be used when there is clear documentation of an acute peptic ulcer with perforation. If the ulcer is present without perforation, K27.0 should be selected. Accurate documentation of the clinical findings is essential for appropriate code selection.

What documentation supports K27.1?

Documentation should include clinical notes detailing the patient's symptoms, physical examination findings indicating perforation, imaging results confirming the diagnosis, and any surgical interventions performed. Clear documentation of the acute nature of the ulcer is critical.