All ICD10 Codes
Chapter 17

Q00–Q99: Congenital Malformations, Deformations and Chromosomal Abnormalities

Congenital Malformations, Deformations and Chromosomal Abnormalities diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)
All CodesBillable Only
Internal Codes
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  • Q75.001—

    Craniosynostosis, unspecified type, unilateral

  • Q75.002—

    Craniosynostosis, unspecified type, bilateral

  • Q75.009—

    Craniosynostosis, unspecified

  • Q75.01—

    Sagittal craniosynostosis

  • Q75.021—

    Coronal craniosynostosis, unilateral

  • Q75.022—

    Coronal craniosynostosis, bilateral

  • Q75.029—

    Coronal craniosynostosis, unspecified

  • Q75.03—

    Metopic craniosynostosis

  • Q75.041—

    Lambdoid craniosynostosis, unilateral

  • Q75.042—

    Lambdoid craniosynostosis, bilateral

  • Q75.049—

    Lambdoid craniosynostosis, unspecified

  • Q75.051—

    Cloverleaf skull

  • Q75.052—

    Pansynostosis

  • Q75.058—

    Other multi-suture craniosynostosis

  • Q75.08—

    Other single-suture craniosynostosis

  • Q75.1—

    Craniofacial dysostosis

  • Q75.2—

    Hypertelorism

  • Q75.3—

    Macrocephaly

  • Q75.4—

    Mandibulofacial dysostosis

  • Q75.5—

    Oculomandibular dysostosis

  • Q75.8—

    Other specified congenital malformations of skull and face bones

  • Q75.9—

    Congenital malformation of skull and face bones, unspecified

  • Q76.0—

    Spina bifida occulta

  • Q76.1—

    Klippel-Feil syndrome

  • Q76.2—

    Congenital spondylolisthesis

  • Q76.3—

    Congenital scoliosis due to congenital bony malformation

  • Q76.411—

    Congenital kyphosis, occipito-atlanto-axial region

  • Q76.412—

    Congenital kyphosis, cervical region

  • Q76.413—

    Congenital kyphosis, cervicothoracic region

  • Q76.414—

    Congenital kyphosis, thoracic region

  • Q76.415—

    Congenital kyphosis, thoracolumbar region

  • Q76.419—

    Congenital kyphosis, unspecified region

  • Q76.425—

    Congenital lordosis, thoracolumbar region

  • Q76.426—

    Congenital lordosis, lumbar region

  • Q76.427—

    Congenital lordosis, lumbosacral region

  • Q76.428—

    Congenital lordosis, sacral and sacrococcygeal region

  • Q76.429—

    Congenital lordosis, unspecified region

  • Q76.49—

    Other congenital malformations of spine, not associated with scoliosis

  • Q76.5—

    Cervical rib

  • Q76.6—

    Other congenital malformations of ribs

  • Q76.7—

    Congenital malformation of sternum

  • Q76.8—

    Other congenital malformations of bony thorax

  • Q76.9—

    Congenital malformation of bony thorax, unspecified

  • Q77.0—

    Achondrogenesis

  • Q77.1—

    Thanatophoric short stature

  • Q77.2—

    Short rib syndrome

  • Q77.3—

    Chondrodysplasia punctata

  • Q77.4—

    Achondroplasia

  • Q77.5—

    Diastrophic dysplasia

  • Q77.6—

    Chondroectodermal dysplasia

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