2022 ICD-10-CM Code S20.34

External constriction of front wall of thorax

Version 2021

Not Valid for Submission

ICD-10:S20.34
Short Description:External constriction of front wall of thorax
Long Description:External constriction of 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)

S20.34 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 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 front wall of thorax

Non-specific codes like S20.34 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 front wall of thorax:

  • NON-BILLABLE CODE - S20.341 for External constriction of right front wall of thorax
  • BILLABLE CODE - Use S20.341A for initial encounter
  • BILLABLE CODE - Use S20.341D for subsequent encounter
  • BILLABLE CODE - Use S20.341S for sequela
  • NON-BILLABLE CODE - S20.342 for External constriction of left front wall of thorax
  • BILLABLE CODE - Use S20.342A for initial encounter
  • BILLABLE CODE - Use S20.342D for subsequent encounter
  • BILLABLE CODE - Use S20.342S for sequela
  • NON-BILLABLE CODE - S20.343 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
  • NON-BILLABLE CODE - S20.344 for External constriction of middle front wall of thorax
  • BILLABLE CODE - Use S20.344A for initial encounter
  • BILLABLE CODE - Use S20.344D for subsequent encounter
  • BILLABLE CODE - Use S20.344S for sequela
  • NON-BILLABLE CODE - S20.349 for External constriction of unspecified front wall of thorax
  • BILLABLE CODE - Use S20.349A for initial encounter
  • BILLABLE CODE - Use S20.349D for subsequent encounter
  • BILLABLE CODE - Use S20.349S for sequela

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code S20.34 are found in the index:

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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)