2022 ICD-10-CM Code S20.343

External constriction of bilateral front wall of thorax

Version 2021

Not Valid for Submission

ICD-10:S20.343
Short Description:External constriction of bilateral front wall of thorax
Long Description:External constriction of bilateral front wall of thorax

Code Classification

  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Injuries to the thorax (S20-S29)
      • Superficial injury of thorax (S20)

S20.343 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of external constriction of bilateral front wall of thorax. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Coding Guidelines

The appropriate 7th character is to be added to each code from block Superficial injury of thorax (S20). Use the following options for the aplicable episode of care:

Specific Coding for External constriction of bilateral front wall of thorax

Non-specific codes like S20.343 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for external constriction of bilateral front wall of thorax:

  • BILLABLE CODE - Use S20.343A for initial encounter
  • BILLABLE CODE - Use S20.343D for subsequent encounter
  • BILLABLE CODE - Use S20.343S for sequela

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021