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H02.421

Billable

Myogenic ptosis of right eyelid

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

What This Code Means

This condition occurs when the muscle that lifts the right eyelid becomes weak or damaged, causing the eyelid to droop. The drooping is caused by a problem with the muscle itself rather than nerve damage.

Coding Tips

  • •Verify the laterality is documented as right eyelid (H02.421) versus left (H02.422) or bilateral (H02.423) to ensure accurate code selection
  • •Distinguish myogenic ptosis from neurogenic ptosis (CN III palsy) or mechanical ptosis, as these have different ICD-10 codes and require different treatment approaches

Code Hierarchy

└H02Other disorders of eyelid└H02.4Ptosis of eyelid└H02.42Myogenic ptosis of eyelid└H02.421Myogenic ptosis of right eyelid
└H02.421Myogenic ptosis of right eyelid

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