Valid for Submission
S27.321A is a billable diagnosis code used to specify a medical diagnosis of contusion of lung, unilateral, initial encounter. The code S27.321A is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
S27.321A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like contusion of lung unilateral. 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 Injury of other and unspecified intrathoracic organs (S27). 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|
|205||OTHER RESPIRATORY SYSTEM DIAGNOSES WITH MCC||04||1.6823|
|206||OTHER RESPIRATORY SYSTEM DIAGNOSES WITHOUT MCC||04||0.8842|
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.
Convert S27.321A to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code S27.321A its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Chest Injuries and Disorders
The chest is the part of the body between your neck and your abdomen. It includes the ribs and breastbone. Inside your chest are several organs, including the heart, lungs, and esophagus. The pleura, a large thin sheet of tissue, lines the inside of the chest cavity.
Chest injuries and disorders include
- Heart diseases
- Lung diseases and collapsed lung
- Pleural disorders
- Esophagus disorders
- Broken ribs
- Thoracic aortic aneurysms
- Disorders of the mediastinum, the space between the lungs, breastbone, and spine
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