2022 ICD-10-CM Diagnosis Code Q73

Reduction defects of unspecified limb

    2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
  • Q73 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2022 edition of ICD-10-CM Q73 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of Q73 - other international versions of ICD-10 Q73 may differ.
The following code(s) above Q73 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q73:
  • Q00-Q99
    2022 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To Q73
Q72.89 Other reduction defects of lower limb
Q72.891 Other reduction defects of right lower limb
Q72.892 Other reduction defects of left lower limb
Q72.893 …… bilateral
Q72.899 Other reduction defects of unspecified lower limb
Q72.9 Unspecified reduction defect of lower limb
Q72.90 Unspecified reduction defect of unspecified lower limb
Q72.91 Unspecified reduction defect of right lower limb
Q72.92 Unspecified reduction defect of left lower limb
Q72.93 …… bilateral
Q73 Reduction defects of unspecified limb
Q73.0 Congenital absence of unspecified limb(s)
Q73.1 Phocomelia, unspecified limb(s)
Q73.8 Other reduction defects of unspecified limb(s)
Q74 Other congenital malformations of limb(s)
Q74.0 Other congenital malformations of upper limb(s), including shoulder girdle
Q74.1 Congenital malformation of knee
Q74.2 Other congenital malformations of lower limb(s), including pelvic girdle
Q74.3 Arthrogryposis multiplex congenita
Q74.8 Other specified congenital malformations of limb(s)
Q74.9 Unspecified congenital malformation of limb(s)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.