Valid for Submission
S20.323S is a billable diagnosis code used to specify a medical diagnosis of blister (nonthermal) of bilateral front wall of thorax, sequela. The code S20.323S is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.
S20.323S is a sequela code, includes a 7th character and should be used for complications that arise as a direct result of a condition like blister (nonthermal) of bilateral front wall of thorax. According to ICD-10-CM Guidelines a "sequela" code should be used for chronic or residual conditions that are complications of an initial acute disease, illness or injury. The most common sequela is pain. Usually, two diagnosis codes are needed when reporting sequela. The first code describes the nature of the sequela while the second code describes the sequela or late effect.
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
New 2021 ICD-10 Code
S20.323S is new to ICD-10 code set for the FY 2021, effective October 1, 2020. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This is a new and revised code for the FY 2021 (October 1, 2020 - September 30, 2021).
Diagnostic Related Groups - MS-DRG Mapping
Present on Admission (POA)
S20323S replaces the following previously assigned ICD-10 code(s):