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Q75.042

Billable

Lambdoid craniosynostosis, bilateral

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

What This Code Means

A birth defect where the lambdoid sutures (seams at the back of the skull) fuse prematurely on both sides, affecting the back of the head symmetrically.

Coding Tips

  • •Bilateral lambdoid synostosis is rare; confirm bilateral involvement before coding this specific variant
  • •This type may cause a distinctive flattened or boat-shaped appearance at the back of the head

Code Hierarchy

└Q75Other congenital malformations of skull and face bones└Q75.0Craniosynostosis└Q75.04Lambdoid craniosynostosis└Q75.042Lambdoid craniosynostosis, bilateral
└Q75.042Lambdoid craniosynostosis, bilateral

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