S66.212A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM S66.212A became effective on October 1, 2021. This is the American ICD-10-CM version of S66.212A - other international versions of ICD-10 S66.212A may differ.
Tendinitis of flexor hallucis longus Tendonitis of flexor hallucis longus ICD-10-CM M77.50 is grouped within Diagnostic Related Group (s) (MS-DRG v38.0): 557 Tendonitis, myositis and bursitis with mcc
Unfortunately you have wandered way off course with some of your proposed &/or considered codes. The code 26418 is correct for repair of the extensor pollicis longus tendon laceration of the thumb.
The extensor pollicis longus (EPL) tendon resides within the 3rd dorsal extensor compartment of the wrist, inserts upon the distal phalanx of the thumb, and is the primary extensor of the thumb.
ICD-10 code M67. 833 for Other specified disorders of tendon, right wrist is a medical classification as listed by WHO under the range - Soft tissue disorders .
M67. 834 - Other specified disorders of tendon, left wrist | ICD-10-CM.
In human anatomy, the extensor indicis [proprius] is a narrow, elongated skeletal muscle in the deep layer of the dorsal forearm, placed medial to, and parallel with, the extensor pollicis longus. Its tendon goes to the index finger, which it extends. Extensor indicis proprius.
ICD-10-CM Code for Synovitis and tenosynovitis M65.
M65. 841 - Other synovitis and tenosynovitis, right hand. ICD-10-CM.
M25. 532 Pain in left wrist - ICD-10-CM Diagnosis Codes.
M25. 539 - Pain in unspecified wrist. ICD-10-CM.
ICD-10 code M79. 642 for Pain in left hand is a medical classification as listed by WHO under the range - Soft tissue disorders .
The flexor pollicis longus (FPL) is a long muscle located at the deep layer with flexor digitorum profundus and pronator quadratus in the anterior compartment of the forearm. Though it is situated at the forearm, it is classified as part of the extrinsic muscles of the hand as it's function is seen in thumb movement.
forearmDescription. The Abductor pollicis longus (APL) is one of a deep extensor of the forearm and is responsible for facilitating movement and stabilization of the thumb. Its tendon is present in the first extensor compartment of the wrist. It lies immediately below the supinator and sometimes unites with it.
Abductor pollicis longus muscleOriginPosterior surface of proximal half of radius, ulna and interosseus membraneInsertionBase of metacarpal bone 1, (trapezium bone)ActionRadiocarpal joint: Hand extension; Carpometacarpal joint of thumb: Thumb abduction and extensionInnervationPosterior interosseous nerve (C7, C8)1 more row•May 11, 2020