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2. ICD-10 Codes
3. Chapter - Q00-Q99
4. Section - Q30-Q34
5. Category - Q33
6. Q33.1

Q33.1 - Accessory lobe of lung

• Applicable to Accessory lobe of lung
• The 2025 edition of ICD10-CM Q33.1 became effective on October 1, 2024.
• This is the American ICD10-CM version of Q33.1 - other international versions of ICD10 Q33.1 may differ.
• Q33.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• Azygos lobe (fissured), lung

The following codes above Q33.1 contain annotation back-references that may be applicable to Q33.1:

• Chapter: Q00-Q99 - Congenital malformations, deformations and chromosomal abnormalities
• Section: Q30-Q34 - Congenital malformations of the respiratory system
• Category: Q33 - Congenital malformations of lung

Browse other similar CM codes:

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