Nontraumatic tear of flexor tendon of bilateral upper arms
Nontraumatic tear of flexor tendon of right upper arm
Spontaneous rupture flexor tendon of right upper arm
Spontaneous rupture of flexor tendons of right upper arm
M66.321 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 M66.321 became effective on October 1, 2022.
This is the American ICD-10-CM version of M66.321 – other international versions of ICD-10 M66.321 may differ.