ICD-10 Coding for Right Lower Quadrant Abdominal Pain(K35.9, K35.9A, K35.9N)

Learn about ICD-10 coding for right lower quadrant abdominal pain, including when to use R10.31 and K35.9 for appendicitis.

Also known as:
RLQ Abdominal PainRight Iliac Fossa Painpain in right lower quadrant
Related ICD-10 Code Ranges

Complete code families applicable to Right Lower Quadrant Abdominal Pain

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
R10.31Right lower quadrant pain
K35.9Acute appendicitis, unspecified

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information

Essential facts and insights aboutRight Lower Quadrant Abdominal Pain

Differential Codes

Alternative codes to consider when ruling out similar conditions

Acute appendicitis, unspecifiedK35.9
Right lower quadrant painR10.31

Documentation & Coding Risks

Avoid these common issues when documenting Right Lower Quadrant Abdominal Pain.

Non-specific documentation of abdominal pain

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Potential for coding audits and penalties., Financial: Incorrect DRG assignment affecting reimbursement.

Mitigation

Train staff on documentation specificity, Use templates for consistent documentation

Using R10.31 when appendicitis is confirmed

Impact

Reimbursement: Incorrect DRG assignment may lead to lower reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Switch to K35.9 once appendicitis is confirmed by imaging or surgery.

Code Selection

Impact

Incorrect use of R10.31 when appendicitis is confirmed.

Mitigation

Verify imaging results before final code assignment.

Frequently Asked Questions