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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M70-M79
Other soft tissue disorders
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M79-
Other and unspecified soft tissue disorders, not elsewhere classified
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2022 ICD-10-CM Diagnosis Code M79.1
2022 ICD-10-CM Diagnosis Code M79.1
Myalgia
2016 2017 2018 2019 - Converted to Parent Code 2020 2021 2022 Non-Billable/Non-Specific Code
- M79.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2022 edition of ICD-10-CM M79.1 became effective on October 1, 2021.
- This is the American ICD-10-CM version of M79.1 - other international versions of ICD-10 M79.1 may differ.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M79.1. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
M79.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M79.1:
- Abdominal muscle pain
- Cervical myofascial pain syndrome
- Fibrositis of neck
- Lumbar myofascial pain syndrome
- Muscle pain
- Muscle pain, abdominal
- Musculoskeletal pain
- Myalgia (muscle pain)
- Myalgia caused by statin
- Myalgia due to statin
- Myofacial pain syndrome with lumbar involvement
- Myofacial pain syndrome with thoracic involvement
- Myofacial tender points
- Myofascial pain syndrome
- Myofascial pain syndrome, cervical (neck)
- Myofascial pain syndrome, thoracic
- Myofascial tender points
- Thoracic myofascial pain syndrome
Clinical Information
- (my-al-juh) pain in a muscle or group of muscles.
- A chronic disorder of unknown etiology characterized by pain, stiffness, and tenderness in the muscles of neck, shoulders, back, hips, arms, and legs. Other signs and symptoms include headaches, fatigue, sleep disturbances, and painful menstruation.
- A common nonarticular rheumatic condition that is characterized by muscle pain, tenderness, and stiffness.
- A common nonarticular rheumatic syndrome characterized by myalgia and multiple points of focal muscle tenderness to palpation (trigger points). Muscle pain is typically aggravated by inactivity or exposure to cold. This condition is often associated with general symptoms, such as sleep disturbances, fatigue, stiffness, headaches, and occasionally depression. There is significant overlap between fibromyalgia and the chronic fatigue syndrome (fatigue syndrome, chronic). Fibromyalgia may arise as a primary or secondary disease process. It is most frequent in females aged 20 to 50 years. (from Adams et al., Principles of Neurology, 6th ed, p1494-95)
- A disorder characterized by marked discomfort sensation originating from a muscle or group of muscles.
- An acute, subacute, or chronic painful state of muscles, subcutaneous tissues, ligaments, tendons, or fasciae caused by a number of agents such as trauma, strain, occupation, exposure, posture, infection, or arthritis.
- Fibromyalgia makes you feel tired and causes muscle pain and "tender points." tender points are places on the neck, shoulders, back, hips, arms or legs that hurt when touched. People with fibromyalgia may have other symptoms, such as trouble sleeping, morning stiffness, headaches, and problems with thinking and memory, sometimes called "fibro fog."no one knows what causes fibromyalgia. Anyone can get it, but it is most common in middle-aged women. People with rheumatoid arthritis and other autoimmune diseases are particularly likely to develop fibromyalgia. There is no cure for fibromyalgia, but medicines can help you manage your symptoms. Getting enough sleep and exercising may also help. nih: national institute of arthritis and musculoskeletal and skin diseases
- Inflammation and fibrous degeneration of a muscle.
- Myalgia: pain or aching in a muscle or muscles.
- Pain in a muscle or group of muscles.
- Painful sensation originating from a muscle or group of muscles.
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): Deleted code
- 2019 (effective 10/1/2018): New code
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
Code annotations containing back-references to M79.1:
ICD-10-CM Codes Adjacent To M79.1
M77.5 Other enthesopathy of foot and ankle
M77.50 Other enthesopathy of unspecified foot and ankle
M77.51 Other enthesopathy of right foot and ankle
M77.52 Other enthesopathy of left foot and ankle
M77.8 Other enthesopathies, not elsewhere classified
M77.9 Enthesopathy, unspecified
M79 Other and unspecified soft tissue disorders, not elsewhere classified
M79.0 Rheumatism, unspecified
M79.1
Myalgia
M79.11 …… of mastication muscle
M79.12 …… of auxiliary muscles, head and neck
M79.2 Neuralgia and neuritis, unspecified
M79.3 Panniculitis, unspecified
M79.4 Hypertrophy of (infrapatellar) fat pad
M79.5 Residual foreign body in soft tissue
M79.6 Pain in limb, hand, foot, fingers and toes
M79.60 Pain in limb, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
