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ICD-10 Guide
ICD-10 CodesR19.37

R19.37

Generalized abdominal rigidity

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R19.37 is a billable code used to indicate a diagnosis of generalized abdominal rigidity.

Key Diagnostic Point:

Generalized abdominal rigidity is a clinical sign characterized by a stiffening of the abdominal muscles, which can indicate underlying pathology. This rigidity may be a response to inflammation, irritation, or injury in the abdominal cavity. It is often assessed during a physical examination, where the clinician notes the resistance to palpation of the abdomen. Common causes include acute abdominal conditions such as appendicitis, peritonitis, or bowel obstruction. The presence of generalized abdominal rigidity can suggest a serious underlying condition requiring immediate medical attention. It is important to differentiate this sign from localized rigidity, which may indicate a more specific issue. Laboratory findings may include elevated white blood cell counts or imaging studies revealing free air or fluid in the abdomen. The clinical context is crucial, as generalized abdominal rigidity often accompanies other symptoms such as pain, tenderness, and changes in bowel habits, necessitating a thorough diagnostic approach to identify the underlying cause.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes that can present with this sign
  • Need for comprehensive clinical documentation
  • Potential overlap with other abdominal conditions
  • Variability in presentation among different patient populations

Audit Risk Factors

  • Inadequate documentation of the clinical findings
  • Failure to link the symptom to a definitive diagnosis
  • Misinterpretation of abdominal rigidity as a standalone diagnosis
  • Lack of supporting lab or imaging results

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed physical examination notes, including the assessment of abdominal rigidity and associated symptoms.

Common Clinical Scenarios

Patients presenting with abdominal pain, fever, and rigidity suggestive of appendicitis or diverticulitis.

Billing Considerations

Ensure that the documentation clearly indicates the presence of generalized rigidity and correlates it with the patient's overall clinical picture.

Emergency Medicine

Documentation Requirements

Acute care documentation must include vital signs, a thorough abdominal exam, and any immediate interventions performed.

Common Clinical Scenarios

Patients with acute abdomen presenting with rigidity, requiring rapid assessment for conditions like perforated viscus or acute pancreatitis.

Billing Considerations

Document the time of onset of symptoms and any changes in the patient's condition during the emergency visit.

Coding Guidelines

Inclusion Criteria

Use R19.37 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that R19
  • 37 is used only when generalized abdominal rigidity is documented and not as a catch
  • all for abdominal symptoms
  • Always link to the underlying diagnosis when applicable

Exclusion Criteria

Do NOT use R19.37 When
No specific exclusions found.

Related CPT Codes

99284CPT Code

Emergency department visit, high severity

Clinical Scenario

Used when a patient presents with generalized abdominal rigidity and requires a high level of care.

Documentation Requirements

Document the severity of symptoms, examination findings, and any interventions performed.

Specialty Considerations

Emergency medicine providers should ensure that all findings are clearly documented to support the level of service billed.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of symptoms like generalized abdominal rigidity, improving the granularity of clinical data and enhancing the ability to track and analyze patient outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of symptoms like generalized abdominal rigidity, improving the granularity of clinical data and enhancing the ability to track and analyze patient outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of symptoms like generalized abdominal rigidity, improving the granularity of clinical data and enhancing the ability to track and analyze patient outcomes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

When should R19.37 be used?

R19.37 should be used when a patient presents with generalized abdominal rigidity as a symptom, and it is documented in the clinical findings. It is important to link this code to an underlying diagnosis whenever possible.