M21.7 - Unequal limb length (acquired)
- Applicable to Unequal limb length (acquired)
- The 2025 edition of ICD10-CM M21.7 became effective on October 1, 2024.
- This is the American ICD10-CM version of M21.7 - other international versions of ICD10 M21.7 may differ.
- M21.7 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- M21.7 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- M21.7 - Unequal limb length (acquired)
- M21.7 - Unequal limb length (acquired)
- M21.70 - Unequal limb length (acquired), unspecified site
- M21.72 - Unequal limb length (acquired), humerus
- M21.721 - Unequal limb length (acquired), right humerus
- M21.722 - Unequal limb length (acquired), left humerus
- M21.729 - Unequal limb length (acquired), unspecified humerus
- M21.73 - Unequal limb length (acquired), ulna and radius
- M21.731 - Unequal limb length (acquired), right ulna
- M21.732 - Unequal limb length (acquired), left ulna
- M21.733 - Unequal limb length (acquired), right radius
- M21.734 - Unequal limb length (acquired), left radius
- M21.739 - Unequal limb length (acquired), unspecified ulna and radius
- M21.75 - Unequal limb length (acquired), femur
- M21.751 - Unequal limb length (acquired), right femur
- M21.752 - Unequal limb length (acquired), left femur
- M21.759 - Unequal limb length (acquired), unspecified femur
- M21.76 - Unequal limb length (acquired), tibia and fibula
- M21.761 - Unequal limb length (acquired), right tibia
- M21.762 - Unequal limb length (acquired), left tibia
- M21.763 - Unequal limb length (acquired), right fibula
- M21.764 - Unequal limb length (acquired), left fibula
- M21.769 - Unequal limb length (acquired), unspecified tibia and fibula
Code Notes:
- The site used should correspond to the shorter limb
Non-Billable/Non-Specific Code
The following codes above M21.7 contain annotation back-references that may be applicable to M21.7:
- Chapter: M00-M99 - Diseases of the musculoskeletal system and connective tissue
- Section: M20-M25 - Other joint disorders
- Category: M21 - Other acquired deformities of limbs
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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