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
PrevNext
  • Q70.02—

    Fused fingers, left hand

  • Q70.03—

    Fused fingers, bilateral

  • Q70.1—

    Webbed fingers

  • Q70.10—

    Webbed fingers, unspecified hand

  • Q70.11—

    Webbed fingers, right hand

  • Q70.12—

    Webbed fingers, left hand

  • Q70.13—

    Webbed fingers, bilateral

  • Q70.2—

    Fused toes

  • Q70.20—

    Fused toes, unspecified foot

  • Q70.21—

    Fused toes, right foot

  • Q70.22—

    Fused toes, left foot

  • Q70.23—

    Fused toes, bilateral

  • Q70.3—

    Webbed toes

  • Q70.30—

    Webbed toes, unspecified foot

  • Q70.31—

    Webbed toes, right foot

  • Q70.32—

    Webbed toes, left foot

  • Q70.33—

    Webbed toes, bilateral

  • Q70.4—

    Polysyndactyly, unspecified

  • Q70.9—

    Syndactyly, unspecified

  • Q71—

    Reduction defects of upper limb

  • Q71.0—

    Congenital complete absence of upper limb

  • Q71.00—

    Congenital complete absence of unspecified upper limb

  • Q71.01—

    Congenital complete absence of right upper limb

  • Q71.02—

    Congenital complete absence of left upper limb

  • Q71.03—

    Congenital complete absence of upper limb, bilateral

  • Q71.1—

    Congenital absence of upper arm and forearm with hand present

  • Q71.10—

    Congenital absence of unspecified upper arm and forearm with hand present

  • Q71.11—

    Congenital absence of right upper arm and forearm with hand present

  • Q71.12—

    Congenital absence of left upper arm and forearm with hand present

  • Q71.13—

    Congenital absence of upper arm and forearm with hand present, bilateral

  • Q71.2—

    Congenital absence of both forearm and hand

  • Q71.20—

    Congenital absence of both forearm and hand, unspecified upper limb

  • Q71.21—

    Congenital absence of both forearm and hand, right upper limb

  • Q71.22—

    Congenital absence of both forearm and hand, left upper limb

  • Q71.23—

    Congenital absence of both forearm and hand, bilateral

  • Q71.3—

    Congenital absence of hand and finger

  • Q71.30—

    Congenital absence of unspecified hand and finger

  • Q71.31—

    Congenital absence of right hand and finger

  • Q71.32—

    Congenital absence of left hand and finger

  • Q71.33—

    Congenital absence of hand and finger, bilateral

  • Q71.4—

    Longitudinal reduction defect of radius

  • Q71.40—

    Longitudinal reduction defect of unspecified radius

  • Q71.41—

    Longitudinal reduction defect of right radius

  • Q71.42—

    Longitudinal reduction defect of left radius

  • Q71.43—

    Longitudinal reduction defect of radius, bilateral

  • Q71.5—

    Longitudinal reduction defect of ulna

  • Q71.50—

    Longitudinal reduction defect of unspecified ulna

  • Q71.51—

    Longitudinal reduction defect of right ulna

  • Q71.52—

    Longitudinal reduction defect of left ulna

  • Q71.53—

    Longitudinal reduction defect of ulna, bilateral

PreviousPage 14 of 22Next