2021 ICD-10-CM Code M21.839
Other specified acquired deformities of unspecified forearm
Valid for Submission
M21.839 is a billable diagnosis code used to specify a medical diagnosis of other specified acquired deformities of unspecified forearm. The code M21.839 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code M21.839 might also be used to specify conditions or terms like acquired deformity of wrist, acquired deformity of wrist, acquired deformity of wrist, acquired fixed flexion deformity of joint of upper limb, acquired fixed flexion deformity of wrist , acquired radial deviation of hand, etc.
Unspecified diagnosis codes like M21.839 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: | M21.839 |
| Short Description: | Other specified acquired deformities of unspecified forearm |
| Long Description: | Other specified acquired deformities of unspecified forearm |
Code Classification
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Acquired deformity of wrist
- Acquired deformity of wrist
- Acquired deformity of wrist
- Acquired fixed flexion deformity of joint of upper limb
- Acquired fixed flexion deformity of wrist
- Acquired radial deviation of hand
- Acquired valgus deformity of joint of upper limb
- Acquired valgus deformity of wrist
- Acquired varus deformity of joint of upper limb
- Acquired varus deformity of wrist
- Deformity of carpal bone
- O/E - hands
- O/E - hands - ulnar deviation
- O/E - hands - vascular changes
- Radial deviation of hand
- Radial deviation of the wrist
- Ulnar deviation of hand
- Ulnar deviation of the wrist
- Valgus wrist
Diagnostic Related Groups - MS-DRG Mapping
The ICD-10 code M21.839 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 M21.839 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code M21.839 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.
- 736.09 - Forearm deformity NEC (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)