Not Valid for Submission
M13.8 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of other specified arthritis. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.
Specific Coding for Other specified arthritis
Header codes like M13.8 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for other specified arthritis:
- M13.80 - ... unspecified site
- M13.81 - ... shoulder
- M13.811 - ... right shoulder
- M13.812 - ... left shoulder
- M13.819 - ... unspecified shoulder
- M13.82 - ... elbow
- M13.821 - ... right elbow
- M13.822 - ... left elbow
- M13.829 - ... unspecified elbow
- M13.83 - ... wrist
- M13.831 - ... right wrist
- M13.832 - ... left wrist
- M13.839 - ... unspecified wrist
- M13.84 - ... hand
- M13.841 - ... right hand
- M13.842 - ... left hand
- M13.849 - ... unspecified hand
- M13.85 - ... hip
- M13.851 - ... right hip
- M13.852 - ... left hip
- M13.859 - ... unspecified hip
- M13.86 - ... knee
- M13.861 - ... right knee
- M13.862 - ... left knee
- M13.869 - ... unspecified knee
- M13.87 - ... ankle and foot
- M13.871 - ... right ankle and foot
- M13.872 - ... left ankle and foot
- M13.879 - ... unspecified ankle and foot
- M13.88 - ... other site
- M13.89 - ... multiple sites
Tabular List of Diseases and Injuries
The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code M13.8:
Inclusion TermsInclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Allergic arthritis
Type 1 ExcludesType 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code M13.8 are found in the index:
Information for Patients
If you feel pain and stiffness in your body or have trouble moving around, you might have arthritis. Most kinds of arthritis cause pain and swelling in your joints. Joints are places where two bones meet, such as your elbow or knee. Over time, a swollen joint can become severely damaged. Some kinds of arthritis can also cause problems in your organs, such as your eyes or skin.
Types of arthritis include
- Osteoarthritis is the most common type of arthritis. It's often related to aging or to an injury.
- Autoimmune arthritis happens when your body's immune system attacks healthy cells in your body by mistake. Rheumatoid arthritis is the most common form of this kind of arthritis.
- Juvenile arthritis is a type of arthritis that happens in children.
- Infectious arthritis is an infection that has spread from another part of the body to the joint.
- Psoriatic arthritis affects people with psoriasis.
- Gout is a painful type of arthritis that happens when too much uric acid builds up in the body. It often starts in the big toe.
NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases
- Arthritis (Medical Encyclopedia)
- Osteotomy of the knee (Medical Encyclopedia)
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