Abnormal reflex

This code signifies a deviation from the expected neurological response when a reflex is elicited. It encompasses both diminished (hyporeflexia) and exaggerated (hyperreflexia) reflex actions, indicating potential underlying neurological dysfunction. This can include abnormalities in deep tendon reflexes, superficial reflexes, or pathological reflexes.

Use this code when documentation explicitly states an abnormal reflex, such as absent ankle jerk, brisk patellar reflex, or the presence of a Babinski sign. It is appropriate when the specific cause of the abnormal reflex is not yet definitively diagnosed or when the abnormal reflex itself is the primary finding being reported.

• Do not use this code if a more specific diagnosis for the underlying neurological condition causing the abnormal reflex is known and documented.
• Distinguish this from specific reflex abnormalities listed in "Excludes 2," such as abnormal pupillary reflex.
• Ensure the medical record clearly specifies which reflex is abnormal and the nature of the abnormality (e.g., hyperactive, diminished, absent, pathological).