M79.12 — Myalgia of auxiliary muscles, head and neck
ICD-10-CM
Prior Authorization
No Prior Auth Required
No active coverage policies found for this code (low confidence)
Documentation Required
- All documentation must be maintained in the patient medical record, be legible, include patient identification and the identity of the physician or non-physician practitioner responsible for care, and be available to the contractor upon request.
- Medical record documentation maintained by the ordering/treating physician must indicate the medical necessity and clinical indication(s) that led to ordering the drug test and support the selected diagnosis and CPT/HCPCS code(s).
- All tests must be ordered in writing by the treating provider and the order must specify all drugs/drug classes to be tested; the physician’s order must include the clinical indication/medical necessity.
- If the performing provider is different from the ordering/referring physician, the performing provider must maintain hard copy documentation of lab results and copies of the ordering physician’s order for the drug test.
Key Coverage Criteria
- Urine, blood, or oral fluid specimens may be used for drug testing, with urine preferred for broad screening of common drugs.
- Medicare Part B will pay for drug screening services when all coverage criteria, limitations, and medical necessity requirements of LCD DL34645 are met.
- Claims for drug screening services are payable under Medicare Part B only in these places of service: office (11), urgent care (20), independent clinic (49), federally qualified health center — freestanding (50), rural health clinic — freestanding (72), and independent laboratory (81).
- Electrodiagnostic testing (EMG and/or nerve conduction studies) is indicated for evaluation of suspected carpal tunnel syndrome.
- EMG and/or nerve conduction studies are indicated for evaluation of suspected radiculopathy.
- EMG and/or nerve conduction studies are indicated for evaluation of suspected mononeuropathy (single-nerve entrapment or injury).
20 Active Policies
A59553 — Billing and Coding: Trigger Point Injections
J05
L39624 — Amniotic and Placental Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound
J05
A57478 — Billing and Coding: Nerve Conduction Studies and Electromyography
J05
L34594 — Nerve Conduction Studies and Electromyography
J05
Related Codes
Have a follow-up question?
Ask Verity about documentation requirements, denial risks, or coverage in your state.