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ICD-10-CM Codes
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Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
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Q65-Q79
Congenital malformations and deformations of the musculoskeletal system
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Q66-
Congenital deformities of feet
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2020 ICD-10-CM Diagnosis Code Q66.31
Other congenital varus deformities of feet, right foot
2020 - New Code Billable/Specific Code POA Exempt
- Q66.31 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- ICD-10-CM Q66.31 is a new 2020 ICD-10-CM code that became effective on October 1, 2019.
- This is the American ICD-10-CM version of Q66.31 - other international versions of ICD-10 Q66.31 may differ.
The following code(s) above
Q66.31 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
Q66.31:
- Q00-Q99
2020 ICD-10-CM Range Q00-Q99
Congenital malformations, deformations and chromosomal abnormalitiesNote- 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 - Q66
ICD-10-CM Diagnosis Code Q66
Congenital deformities of feet
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
Type 1 Excludes- reduction defects of feet (Q72.-)
- valgus deformities (acquired) (M21.0-)
- varus deformities (acquired) (M21.1-)
Congenital deformities of feet - Q66.3
ICD-10-CM Diagnosis Code Q66.3
Other congenital varus deformities of feet
2016 2017 2018 2019 2020 - Converted to Parent Code Non-Billable/Non-Specific Code
Other congenital varus deformities of feet
Present On AdmissionPOA 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.
- Q66.31 is considered exempt from POA reporting.
ICD-10-CM Q66.31 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 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
Code History
- 2020 (effective 10/1/2019): New code
ICD-10-CM Codes Adjacent To Q66.31
Q66.21 Congenital metatarsus primus varus
Q66.22 Congenital metatarsus adductus
Q66.3 Other congenital varus deformities of feet
Q66.31
…… right foot
Q66.4 Congenital talipes calcaneovalgus
Q66.5 Congenital pes planus
Q66.6 Other congenital valgus deformities of feet
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.