Right axilla blister
Right axilla blister with infection
Right upper arm blister
Right upper arm blister with infection
S40.821A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM S40.821A became effective on October 1, 2022.
This is the American ICD-10-CM version of S40.821A – other international versions of ICD-10 S40.821A may differ.