ICD-10-CM FY2027 diagnosis code

S21.459S: Open bite of unspecified back wall of thorax with penetration into thoracic cavity, sequela

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

S21.459S is a billable ICD-10-CM diagnosis code for open bite of unspecified back wall of thorax with penetration into thoracic cavity, sequela. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

S21.459S questions

Is S21.459S a billable code?

Yes. S21.459S is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does S21.459S mean?

S21.459S is the ICD-10-CM code for Open bite of unspecified back wall of thorax with penetration into thoracic cavity, sequela. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.