S20.442
Billable codeExternal constriction of left back wall of thorax
The ICD-10 code for external constriction of left back wall of thorax is S20.442.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- S20.441External constriction of right back wall of thorax
- S20.449External constriction of unspecified back wall of thorax
- S20.442External constriction of left back wall of thorax