R10.824 Left lower quadrant rebound abdominal tenderness

Billable ICD-10-CM code, FY2026.

Applies from R10 Abdominal and pelvic pain

Excludes1 (never code together)

• renal colic (N23)

Excludes2 (not included here)

• costovertebral (angle) tenderness (R39.85)
• dorsalgia (M54.-)
• flatulence and related conditions (R14.-)

Applies from R10.82 Rebound abdominal tenderness

Excludes2 (not included here)

• pain localized to other parts of lower abdomen (R10.3-)
• pain localized to upper abdomen (R10.1-)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 789.64 Abdominal tenderness, left lower quadrant (approximate)

Code annotations containing back-references to R10.824

Back-references to R10

• Type 2 Excludes: G89 Pain, not elsewhere classified ("abdomen pain (R10.-)")
• Type 2 Excludes: R39.85 Costovertebral (angle) tenderness ("abdominal and pelvic pain (R10.-)")
• Type 1 Excludes: R52 Pain, unspecified ("abdomen pain (R10.-)")

Diagnosis Index entries for R10.824

• Tenderness, abdominal › rebound › left lower quadrant

Nearby codes

• R10.819 Abdominal tenderness, unspecified site
• R10.82 Rebound abdominal tenderness
• R10.821 Right upper quadrant rebound abdominal tenderness
• R10.822 Left upper quadrant rebound abdominal tenderness
• R10.823 Right lower quadrant rebound abdominal tenderness
• R10.824 Left lower quadrant rebound abdominal tenderness (this code)
• R10.825 Periumbilic rebound abdominal tenderness
• R10.826 Epigastric rebound abdominal tenderness
• R10.827 Generalized rebound abdominal tenderness
• R10.829 Rebound abdominal tenderness, unspecified site
• R10.83 Colic