M79.1 Myalgia

Non-billable header with 4 child codes.

Applicable to

• Myofascial pain syndrome

Excludes1 (never code together)

• fibromyalgia (M79.7)
• myositis (M60.-)

Applies from M79 Other and unspecified soft tissue disorders, not elsewhere classified

Excludes1 (never code together)

• psychogenic rheumatism (F45.8)
• soft tissue pain, psychogenic (F45.41)

Codes under M79.1

• M79.10 Myalgia, unspecified site
• M79.11 Myalgia of mastication muscle
• M79.12 Myalgia of auxiliary muscles, head and neck
• M79.18 Myalgia, other site

Approximate ICD-9-CM (GEMs)

• 729.1 Myalgia and myositis, unspecified (approximate)

Code annotations containing back-references to M79.1

Back-references to M79.1

• Type 2 Excludes: G89 Pain, not elsewhere classified ("myalgia (M79.1-)")
• Type 1 Excludes: M62 Other disorders of muscle ("myalgia (M79.1-)")

Nearby codes

• M79 Other and unspecified soft tissue disorders, not elsewhere classified
• M79.0 Rheumatism, unspecified
• M79.1 Myalgia (this code)
• M79.10 Myalgia, unspecified site
• M79.11 Myalgia of mastication muscle
• M79.12 Myalgia of auxiliary muscles, head and neck
• M79.18 Myalgia, other site
• M79.2 Neuralgia and neuritis, unspecified