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Home/Diagnosis/ICD-10 Coding for Right Lower Quadrant Abdominal Pain

ICD-10 Coding for Right Lower Quadrant Abdominal Pain

R10.31
K35.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for right lower quadrant abdominal pain includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
RLQ Abdominal Pain
Right Iliac Fossa Pain
pain in right lower quadrant
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Key Information: ICD-10 Coding for Right Lower Quadrant Abdominal Pain

Essential facts and insights about ICD-10 Coding for Right Lower Quadrant Abdominal Pain

Use ICD-10 code R10.31 for right lower quadrant pain, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Right lower quadrant pain

Billable Code
R10.31
Billable

Diagnostic Criteria

clinical:
  • RLQ pain without confirmed etiology
coding:
  • No definitive diagnosis like appendicitis

Applicable To

  • • Pain in right iliac fossa

Important Notes

  • • Ensure documentation specifies RLQ location and any associated symptoms.

Acute appendicitis, unspecified

Non-Billable
K35.9
Non-Billable

Diagnostic Criteria

clinical:
  • CT or surgical confirmation of appendicitis

Applicable To

  • • Appendicitis confirmed by imaging

Important Notes

  • • Ensure appendicitis is confirmed before using this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

R10.813

Rebound tenderness

Use when documentation includes rebound tenderness in RLQ.

Frequently Asked Questions

What is the ICD-10 code for RLQ abdominal pain?

The ICD-10 code for right lower quadrant abdominal pain is R10.31, used when the pain is localized to the RLQ without a confirmed diagnosis.

When should K35.9 be used instead of R10.31?

K35.9 should be used when appendicitis is confirmed by imaging or surgery, replacing R10.31 for RLQ pain.

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