Q34.1

Congenital cyst of mediastinum

Billable / specificPOA exempt

Q34.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from Q34)

  • Note: Codes from this chapter are not for use on maternal records

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q34)
  • congenital central alveolar hypoventilation syndrome (G47.35) (from Q34)

Also known as

  • Cyst, congenital NEC, mediastinum
  • Cyst, mediastinum, congenital

Parent code

  • Q34Other congenital malformations of respiratory systemHeader

Related codes

  • Q34.0Anomaly of pleuraBillable
  • Q34.8Other specified congenital malformations of respiratory systemBillable
  • Q34.9Congenital malformation of respiratory system, unspecifiedBillable

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