M79.1Myalgia
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use M79.1 directly
Use the most specific code supported by the record.
- Chapter XIII
- musculoskeletal system and connective tissue
- Group M60-M79
- Rối loạn mô mềm
- Official Vietnamese name
- Đau cơ
- Additional WHO coding guidance
- Excl.: myositis (M60.-)
Related M79 codes
M79
Other soft tissue disorders, not elsewhere classified
M79.0
Rheumatism, unspecified
M79.00
Primary diagnosis candidate
Rheumatism, unspecified, multiple sites
M79.01
Primary diagnosis candidate
Rheumatism, unspecified, shoulder region
M79.02
Primary diagnosis candidate
Rheumatism, unspecified, upper arm
M79.03
Primary diagnosis candidate
Rheumatism, unspecified, forearm
M79.04
Primary diagnosis candidate
Rheumatism, unspecified, hand
M79.05
Primary diagnosis candidate
Rheumatism, unspecified, pelvic region and thigh
M79.06
Primary diagnosis candidate
Rheumatism, unspecified, lower leg
M79.07
Primary diagnosis candidate
Rheumatism, unspecified, ankle and foot
M79.08
Primary diagnosis candidate
Rheumatism, unspecified, other
M79.09
Primary diagnosis candidate
Rheumatism, unspecified, site unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
