Version 2024

2024 ICD-10-CM Diagnosis Code S20.344

External constriction of middle front wall of thorax

ICD-10-CM Code:
S20.344
ICD-10 Code for:
External constriction of middle front wall of thorax
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    (S00–T88)
    • Injuries to the thorax
      (S20-S29)
      • Superficial injury of thorax
        (S20)

S20.344 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 middle front wall of thorax. The code is not specific and is NOT valid for the year 2024 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.

Specific Coding Applicable to External constriction of middle front wall of thorax

Non-specific codes like S20.344 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for external constriction of middle front wall of thorax:

  • Use S20.344A for initial encounter - BILLABLE CODE

  • Use S20.344D for subsequent encounter - BILLABLE CODE

  • Use S20.344S for sequela - BILLABLE CODE

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:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021