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R29.2

Billable

Abnormal reflex

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

An abnormal response when a doctor tests reflexes, such as reflexes that are too brisk, too slow, or absent.

Coding Tips

  • •Specify which reflex is abnormal in documentation (patellar, Babinski, etc.) for clarity
  • •Investigate the neurological cause and code any identified underlying conditions

Excludes 2 — Not included here, may code separately

  • abnormal pupillary reflex (H57.0)
  • hyperactive gag reflex (J39.2)
  • vasovagal reaction or syncope (R55)

Code Hierarchy

└R29Other symptoms and signs involving the nervous and musculoskeletal systems└R29.2Abnormal reflex
└R29.2Abnormal reflex

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