S20.229
⚠ Non-billable
Contusion of unspecified back wall of thorax
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S20.229
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S20.229?
ICD-10-CM code S20.229 represents Contusion of unspecified back wall of thorax. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S20.229 billable?
No. S20.229 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is S20.229 in?
S20.229 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S20 category
S20
Superficial injury of thorax
Non-billable
S20.0
Contusion of breast
Non-billable
S20.1
Other and unspecified superficial injuries of breast
Non-billable
S20.2
Contusion of thorax
Non-billable
S20.3
Other and unspecified superficial injuries of front wall of thorax
Non-billable
S20.4
Other and unspecified superficial injuries of back wall of thorax
Non-billable
S20.9
Superficial injury of unspecified parts of thorax
Non-billable
S20.00
Contusion of breast, unspecified breast
Non-billable
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