1. ICD-10-CM Codes
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2. Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
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3. Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
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4. Q70- Syndactyly
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5. 2021 ICD-10-CM Diagnosis Code Q70

2021 ICD-10-CM Diagnosis Code Q70

Syndactyly

2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code

• Q70 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
• The 2021 edition of ICD-10-CM Q70 became effective on October 1, 2020.
• This is the American ICD-10-CM version of Q70 - other international versions of ICD-10 Q70 may differ.

• A congenital anomaly of the hand or foot, marked by the webbing between adjacent fingers or toes. Syndactylies are classified as complete or incomplete by the degree of joining. Syndactylies can also be simple or complex. Simple syndactyly indicates joining of only skin or soft tissue; complex syndactyly marks joining of bony elements.
• A congenital condition characterized by webbing between the fingers and/or toes, joining the digits together. In rare cases, the joining of the fingers or toes may involve bony fusion between the digits. Common causes include down syndrome and hereditary syndactyly.

• 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

• Type 1 Excludes: Q74
  ICD-10-CM Diagnosis Code Q74

  Other congenital malformations of limb(s)

  2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • polydactyly (Q69.-)
  • reduction defect of limb (Q71-Q73)
  • syndactyly (Q70.-)

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