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v1.0.0
ICD-10 Guide
ICD-10 CodesR10.9

R10.9

Unspecified abdominal pain

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

Code Description

ICD-10 R10.9 is a billable code used to indicate a diagnosis of unspecified abdominal pain.

Key Diagnostic Point:

Unspecified abdominal pain (R10.9) is a clinical symptom characterized by discomfort or pain in the abdominal region without a clear or specific diagnosis. This symptom can arise from a variety of underlying conditions, including gastrointestinal disorders, musculoskeletal issues, or even systemic diseases. The pain may be acute or chronic and can vary in intensity and character, ranging from sharp to dull, localized to diffuse. Common causes include gastritis, peptic ulcers, appendicitis, pancreatitis, and bowel obstructions, among others. The lack of specificity in this code necessitates thorough clinical evaluation to determine the underlying cause. Diagnostic approaches typically involve a detailed patient history, physical examination, and may include imaging studies (such as ultrasound or CT scans) and laboratory tests (such as complete blood count, liver function tests, and urinalysis). Accurate coding requires careful documentation of the patient's symptoms, clinical findings, and any diagnostic tests performed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes
  • Need for thorough documentation to support the diagnosis
  • Differentiation from other abdominal pain codes
  • Potential for overlapping symptoms with other conditions

Audit Risk Factors

  • Insufficient documentation to support the unspecified diagnosis
  • Failure to explore and document potential underlying causes
  • Inconsistent coding practices across providers
  • High frequency of unspecified codes may trigger audits

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed patient history, physical examination findings, and any diagnostic tests performed must be documented to support the diagnosis of unspecified abdominal pain.

Common Clinical Scenarios

Patients presenting with vague abdominal discomfort, requiring further evaluation to rule out serious conditions.

Billing Considerations

Consider documenting any relevant past medical history, medications, and lifestyle factors that may contribute to abdominal pain.

Emergency Medicine

Documentation Requirements

Acute care documentation must include the patient's presenting symptoms, vital signs, and any immediate interventions or tests performed.

Common Clinical Scenarios

Patients presenting with acute abdominal pain requiring rapid assessment and intervention.

Billing Considerations

In emergency settings, it is crucial to document the patient's response to treatment and any changes in symptoms.

Coding Guidelines

Inclusion Criteria

Use R10.9 When
  • According to ICD
  • 10 coding guidelines, R10
  • 9 should be used when abdominal pain is documented but not specified further
  • Coders should ensure that the documentation supports the use of this code and that all relevant clinical information is included

Exclusion Criteria

Do NOT use R10.9 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used when a patient presents with abdominal pain for evaluation and management.

Documentation Requirements

Document the patient's history, examination findings, and any treatment provided.

Specialty Considerations

Internal medicine and family practice often use this code for follow-up visits.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding options, but the use of unspecified codes like R10.9 remains common. Coders must ensure that they are using the most accurate code available to avoid potential reimbursement issues.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding options, but the use of unspecified codes like R10.9 remains common. Coders must ensure that they are using the most accurate code available to avoid potential reimbursement issues.

Reimbursement & Billing Impact

reimbursement issues.

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 R10.9 be used?

R10.9 should be used when a patient presents with abdominal pain that cannot be specified further. It is important to document the clinical findings and any tests performed to support this diagnosis.