Does M21.90 require prior authorization?

No, M21.90 does not require prior authorization (high confidence). No active policy covers this code.

`M21.90`, Unspecified acquired deformity of unspecified limb

ICD-10-CM

No Prior Auth Required

No active policy covers this code (high confidence)

The article provides billing and coding guidance and references LCD L39116; required documentation (e.g., medical records, prior authorization, specific forms) is not specified here and must be obtained from LCD L39116.
Billing, coding, and documentation requirements (e.g., required medical record elements, coding guidance, prior authorization if applicable) are specified in LCD L39139 and accompanying billing guidance; review LCD L39139 for the exact documentation required for claims.
This billing and coding article provides billing and coding guidance for Local Coverage Determination (LCD) L39575 regarding amniotic and placental-derived product injections/applications for musculoskeletal, non-wound indications.
Full coverage, limitation, and documentation criteria are defined in LCD L39575; the source policy text was not provided in this request.

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).

A59434, Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound

A58893, Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound

A59764, Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound

A59766, Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound

Ask Backwork about documentation requirements, denial risks, or coverage in your state.