What does ICD-10-CM code M54.9 mean?
M54.9 represents Dorsalgia, unspecified. This musculoskeletal condition falls under Chapter 13 (Diseases of the Musculoskeletal System) and is among the most common reasons for outpatient visits. Coders frequently reference this code as low back pain icd 10, back pain icd 10, icd 10 code for low back pain, or low back pain with radiculopathy icd 10.
Code category and hierarchy
- Chapter: 13 – Diseases of the Musculoskeletal System (M00-M99)
- Category: M54
- Code: M54.9 – Dorsalgia, unspecified
Guideline notes and coding considerations
Specificity Warning
M54.9 is an unspecified code. Query the provider for greater specificity when documentation suggests a more precise code is available. Using unspecified codes when specific codes exist may trigger audits.
- Specificity: Assign M54.9 only when documentation supports this specific diagnosis.
Learn the underlying rules in the ICD-10 Coding Guidelines, Laterality Coding Rules.
Documentation tips (what coders should confirm)
- Verify the clinical documentation supports the use of M54.9
- Query the provider for greater specificity if clinical details suggest a more precise code
When NOT to use M54.9
Do not assign M54.9 when the clinical scenario involves: when documentation provides enough detail for a more specific code. Review excludes notes and assign the most specific code supported by documentation.
Audit risk
M54.9 is an unspecified code. Payers and auditors may flag claims with unspecified codes when the medical record contains sufficient detail for a more precise diagnosis. Query the provider for specificity before submitting.
More specific alternatives
Consider these more specific codes when documentation supports them: M54.12 (Radiculopathy, cervical region), M54.16 (Radiculopathy, lumbar region), M54.17 (Radiculopathy, lumbosacral region).
Validate M54.9 Against ICD 10 CM Coding Guidelines
Check this code against official guidelines for conflicts and compliance issues.
Related ICD-10 codes
Frequently Asked Questions
The ICD-10-CM code for low back pain is M54.9, which represents dorsalgia, unspecified. This code is also commonly referenced as back pain icd 10, icd 10 code for low back pain, low back pain with radiculopathy icd 10. Verify this code using the ICD Code Auditor to ensure guideline compliance.
Yes. M54.9 is an active ICD-10-CM diagnosis code used to classify dorsalgia, unspecified for clinical documentation, reporting, and medical billing purposes.
Use the ICD Code Auditor to check M54.9 against official ICD-10-CM coding guidelines. The tool validates by fiscal year and patient gender to identify potential conflicts.
M54.9 should be used only when clinical documentation does not provide enough detail for a more specific code. Always query the provider when documentation suggests greater specificity is available, as unspecified codes may trigger audits and impact risk adjustment.
Documentation should clearly describe the clinical condition represented by M54.9 (Dorsalgia, unspecified). Include relevant clinical findings, diagnostic test results, provider assessment, and the treatment plan. The diagnosis must be supported by the medical record and not based solely on lab results without clinical interpretation.
Sources
Reviewed by: Certified ICD-10 Coding & Risk Adjustment Specialist
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