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Q34.1

Billable

Congenital cyst of mediastinum

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

What This Code Means

A fluid-filled sac or cyst that develops in the mediastinum (the space between the lungs) as a birth defect.

Coding Tips

  • •Document the size and location of the cyst if available from imaging reports
  • •Note whether the cyst is causing compression or other complications

Code Hierarchy

└Q34Other congenital malformations of respiratory system└Q34.1Congenital cyst of mediastinum
└Q34.1Congenital cyst of mediastinum

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