Hernia of unspecified site, with obstruction

This code signifies a hernia located at an unknown anatomical site that is complicated by obstruction. Obstruction implies a blockage of the herniated contents, leading to symptoms such as pain, nausea, vomiting, and inability to pass stool or gas. This diagnosis indicates a serious complication requiring prompt medical intervention.

This code is appropriate when a patient presents with clinical signs and symptoms of an obstructed hernia, but the specific anatomical location of the hernia (e.g., inguinal, femoral, umbilical) has not been identified or documented. Documentation should clearly state "obstructed hernia, site unspecified" or similar. It is typically used in emergency or acute care settings where a definitive diagnosis of the hernia's origin is pending.

• Avoid using this code if the specific anatomical site of the obstructed hernia is known and documented; instead, use a more specific code from categories 550-551.
• This code inherently includes the complication of obstruction; do not code obstruction separately.
• Review documentation carefully for any clues regarding the hernia's location before resorting to an unspecified code.