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Q23

Non-billable

Congenital malformations of aortic and mitral valves

Chapter 17: Congenital malformations, deformations and chromosomal abnormalities

Coding Guidance

Q23 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.

Additional Information

From parent codes: Q00-Q99 (Chapter 17)

Excludes 2 — Not Included HereFrom Q00-Q99

Excludes2 means 'NOT INCLUDED HERE!' An Excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time.

  • inborn errors of metabolism (E70-E88)
NotesFrom Q00-Q99

Additional notes from parent codes that apply to this code.

  • Codes from this chapter are not for use on maternal records