What ICD-10 Codes Are Used for Flank Pain?
Flank pain is discomfort or pain in the side of the body between the upper abdomen and back. Here are the commonly used Flank Pain ICD codes:
- R10.9: Unspecified abdominal pain (can include flank pain)
- N23: Renal colic, unspecified (often associated with flank pain)

