2022 ICD-10-CM Diagnosis Code Q70.9

Syndactyly, unspecified

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt
  • Q70.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2022 edition of ICD-10-CM Q70.9 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of Q70.9 - other international versions of ICD-10 Q70.9 may differ.
Applicable To
  • Symphalangy NOS
The following code(s) above Q70.9 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 Q70.9:
  • 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
Approximate Synonyms
  • Syndactyly
Clinical Information
  • 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.
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q70.9 is considered exempt from POA reporting.
ICD-10-CM Q70.9 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 564 Other musculoskeletal system and connective tissue diagnoses with mcc
  • 565 Other musculoskeletal system and connective tissue diagnoses with cc
  • 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc

Convert Q70.9 to ICD-9-CM

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

Diagnosis Index entries containing back-references to Q70.9:

ICD-10-CM Codes Adjacent To Q70.9
Q70.20 …… unspecified foot
Q70.21 …… right foot
Q70.22 …… left foot
Q70.23 …… bilateral
Q70.3 Webbed toes
Q70.30 …… unspecified foot
Q70.31 …… right foot
Q70.32 …… left foot
Q70.33 …… 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 …… 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

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