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ICD-10-CM Codes
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Q00-Q99
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Q30-Q34
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Q33-
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2023 ICD-10-CM Diagnosis Code Q33.1
2023 ICD-10-CM Diagnosis Code Q33.1
Accessory lobe of lung
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
- Q33.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM Q33.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q33.1 - other international versions of ICD-10 Q33.1 may differ.
Applicable To- Azygos lobe (fissured), lung
The following code(s) above
Q33.1 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
Q33.1:
- A small lobe sometimes found on the upper part of the right lung, formed by an infolding of the pleura and separated from the rest of the upper lobe by a deep groove lodging the azygos vein.
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.
- Q33.1 is considered exempt from POA reporting.
ICD-10-CM Q33.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 205 Other respiratory system diagnoses with mcc
- 206 Other respiratory system diagnoses without mcc
Convert Q33.1 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
- 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To Q33.1
Q31.8 Other congenital malformations of larynx
Q31.9 Congenital malformation of larynx, unspecified
Q32 Congenital malformations of trachea and bronchus
Q32.0 Congenital tracheomalacia
Q32.1 Other congenital malformations of trachea
Q32.2 Congenital bronchomalacia
Q32.3 Congenital stenosis of bronchus
Q32.4 Other congenital malformations of bronchus
Q33 Congenital malformations of lung
Q33.0 Congenital cystic lung
Q33.1
Accessory lobe of lung
Q33.2 Sequestration of lung
Q33.4 Congenital bronchiectasis
Q33.5 Ectopic tissue in lung
Q33.6 Congenital hypoplasia and dysplasia of lung
Q33.8 Other congenital malformations of lung
Q33.9 Congenital malformation of lung, unspecified
Q34 Other congenital malformations of respiratory system
Q34.1 Congenital cyst of mediastinum
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
