Valid for Submission
S20.324A is a billable diagnosis code used to specify a medical diagnosis of blister (nonthermal) of middle front wall of thorax, initial encounter. The code S20.324A is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
S20.324A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like blister (nonthermal) of middle front wall of thorax. According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.
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
Diagnostic Related Groups - MS-DRG Mapping
|MS-DRG||MS-DRG Title||MCD||Relative Weight|
|606||MINOR SKIN DISORDERS WITH MCC||09||1.511|
|607||MINOR SKIN DISORDERS WITHOUT MCC||09||0.8256|
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
S20324A replaces the following previously assigned ICD-10 code(s):