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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  • Q66.32—

    Other congenital varus deformities of feet, left foot

  • Q66.40—

    Congenital talipes calcaneovalgus, unspecified foot

  • Q66.41—

    Congenital talipes calcaneovalgus, right foot

  • Q66.42—

    Congenital talipes calcaneovalgus, left foot

  • Q66.50—

    Congenital pes planus, unspecified foot

  • Q66.51—

    Congenital pes planus, right foot

  • Q66.52—

    Congenital pes planus, left foot

  • Q66.6—

    Other congenital valgus deformities of feet

  • Q66.70—

    Congenital pes cavus, unspecified foot

  • Q66.71—

    Congenital pes cavus, right foot

  • Q66.72—

    Congenital pes cavus, left foot

  • Q66.80—

    Congenital vertical talus deformity, unspecified foot

  • Q66.81—

    Congenital vertical talus deformity, right foot

  • Q66.82—

    Congenital vertical talus deformity, left foot

  • Q66.89—

    Other specified congenital deformities of feet

  • Q66.90—

    Congenital deformity of feet, unspecified, unspecified foot

  • Q66.91—

    Congenital deformity of feet, unspecified, right foot

  • Q66.92—

    Congenital deformity of feet, unspecified, left foot

  • Q67.0—

    Congenital facial asymmetry

  • Q67.1—

    Congenital compression facies

  • Q67.2—

    Dolichocephaly

  • Q67.3—

    Plagiocephaly

  • Q67.4—

    Other congenital deformities of skull, face and jaw

  • Q67.5—

    Congenital deformity of spine

  • Q67.6—

    Pectus excavatum

  • Q67.7—

    Pectus carinatum

  • Q67.8—

    Other congenital deformities of chest

  • Q68.0—

    Congenital deformity of sternocleidomastoid muscle

  • Q68.1—

    Congenital deformity of finger(s) and hand

  • Q68.2—

    Congenital deformity of knee

  • Q68.3—

    Congenital bowing of femur

  • Q68.4—

    Congenital bowing of tibia and fibula

  • Q68.5—

    Congenital bowing of long bones of leg, unspecified

  • Q68.6—

    Discoid meniscus

  • Q68.8—

    Other specified congenital musculoskeletal deformities

  • Q69.0—

    Accessory finger(s)

  • Q69.1—

    Accessory thumb(s)

  • Q69.2—

    Accessory toe(s)

  • Q69.9—

    Polydactyly, unspecified

  • Q70.00—

    Fused fingers, unspecified hand

  • Q70.01—

    Fused fingers, right hand

  • Q70.02—

    Fused fingers, left hand

  • Q70.03—

    Fused fingers, bilateral

  • Q70.10—

    Webbed fingers, unspecified hand

  • Q70.11—

    Webbed fingers, right hand

  • Q70.12—

    Webbed fingers, left hand

  • Q70.13—

    Webbed fingers, bilateral

  • Q70.20—

    Fused toes, unspecified foot

  • Q70.21—

    Fused toes, right foot

  • Q70.22—

    Fused toes, left foot

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