2021 ICD-10-CM Code M21.729
Unequal limb length (acquired), unspecified humerus
Valid for Submission
M21.729 is a billable diagnosis code used to specify a medical diagnosis of unequal limb length (acquired), unspecified humerus. The code M21.729 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
Unspecified diagnosis codes like M21.729 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
| ICD-10: | M21.729 |
| Short Description: | Unequal limb length (acquired), unspecified humerus |
| Long Description: | Unequal limb length (acquired), unspecified humerus |
Code Classification
Diagnostic Related Groups - MS-DRG Mapping
The ICD-10 code M21.729 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.
- 564 - OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC - Relative Weight: 1.5138
- 565 - OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH CC - Relative Weight: 1.0063
- 566 - OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITHOUT CC/MCC - Relative Weight: 0.7515
Convert M21.729 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code M21.729 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
- 736.89 - Oth acq limb deformity (Approximate Flag)
Information for Patients
Arm Injuries and Disorders
Of the 206 bones in your body, three of them are in your arm: the humerus, radius, and ulna. Your arms are also made up of muscles, joints, tendons, and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall, or an accident.
Types of arm injuries include
- Tendinitis and bursitis
- Sprains
- Dislocations
- Broken bones
- Nerve problems
- Osteoarthritis
You may also have problems or injure specific parts of your arm, such as your hand, wrist, elbow, or shoulder.
- Arm CT scan (Medical Encyclopedia)
- Brachial plexopathy (Medical Encyclopedia)
- Radial head fracture - aftercare (Medical Encyclopedia)
- Radial nerve dysfunction (Medical Encyclopedia)
[Learn More]
Code History
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)