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J98.6

Billable

Disorders of diaphragm

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

What This Code Means

Disorders affecting the diaphragm, the muscle that controls breathing, including paralysis, weakness, or structural abnormalities.

Coding Tips

  • Specify whether the diaphragmatic disorder is unilateral or bilateral, as this affects respiratory function severity
  • Identify the underlying cause (phrenic nerve injury, trauma, etc.) if documented

Excludes 1 — Do NOT code together

  • congenital malformation of diaphragm NEC (Q79.1)
  • congenital diaphragmatic hernia (Q79.0)

Excludes 2 — Not included here, may code separately

  • diaphragmatic hernia (K44.-)

Code Hierarchy

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