M21.539 — Acquired clawfoot, unspecified foot
ICD-10-CM
Prior Authorization
No Prior Auth Required
No active coverage policies found for this code (low confidence)
Documentation Required
- Medical records must clearly document medical necessity for each test and include the reason for referral and a clear diagnostic impression.
- Data gathered during NCS should be available showing actual numeric results (latency, amplitude, etc.), preferably in tabular format.
- In cases of review, provide a hard copy of waveforms or a complete written report with interpretation upon request.
- Normal findings and abnormalities must document muscles tested, presence and type of spontaneous activity, characteristics of voluntary motor unit potentials, and interpretation.
Key Coverage Criteria
- NC-stat testing (CPT 95905) is allowed when the beneficiary has a high pre-test or prior probability of Carpal Tunnel Syndrome (CTS), limited to one service per arm.
- Use CPT 95870 for sampling muscles other than the paraspinals associated with the extremities that have been tested.
- No specific clinical indications are provided in this billing and coding article; coverage criteria for amniotic and placental-derived product injections/applications for musculoskeletal non-wound indications are described in Local Coverage Determination L39116.
- Coverage for amniotic and placental-derived product injections/applications for musculoskeletal, non-wound indications is determined by Local Coverage Determination L39139; consult LCD L39139 for specific clinical indications and thresholds.
- Coverage applies when the amniotic or placental-derived product injection/application meets the reasonable and necessary requirements of Local Coverage Determination L39877.
- Amniotic and placental-derived product injections/applications are covered only when they meet the reasonable and necessary clinical requirements specified in LCD L39879 (Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound).
17 Active Policies
L39624 — Amniotic and Placental Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound
J05
A59434 — Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound
J05
A58893 — Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound
J06
L35098 — Nerve Conduction Studies and Electromyography
J06
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