What is the ICD-10 code for fibromyalgia?

The ICD-10 code for fibromyalgia is M79.7, used for most clinical encounters unless the visit is specifically for pain management.

When should G89.4 be used with fibromyalgia?

Use G89.4 when the primary purpose of the visit is pain management, such as opioid management or nerve blocks.

What documentation is required for fibromyalgia coding?

Documentation must include WPI and SS scores, symptom duration, and exclusion of other conditions to support the fibromyalgia diagnosis.

ICD-10 Coding for Fibromyalgia(M79.7, F32.9, G89.4)

Save

Learn about the ICD-10 coding for fibromyalgia, including documentation requirements, common pitfalls, and billing considerations.

Also known as:

FibrositisFibromyositis

Related ICD-10 Code Ranges

Complete code families applicable to Fibromyalgia

M00-M99Primary Range

Diseases of the musculoskeletal system and connective tissue

→

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
M79.7	Fibromyalgia	Use when fibromyalgia is the primary focus of the encounter and not specifically for pain management.	Widespread Pain Index (WPI) ≥7 and Symptom Severity (SS) ≥5 or WPI 3-6 and SS ≥9 Symptoms present for ≥3 months Exclusion of other rheumatic diseases
G89.4	Chronic pain syndrome	Use when the encounter is specifically for managing chronic pain related to fibromyalgia.	Pain management is the primary reason for the encounter

Primary ICD-10-CM Codes

Fibromyalgia

M79.7Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

MyalgiaM79.1

Documentation & Coding Risks

Avoid these common issues when documenting Fibromyalgia.

Omitting WPI and SS scores

Impact

Clinical: Inadequate documentation for diagnosis confirmation., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials due to insufficient documentation.

Mitigation

Use templates to ensure all criteria are documented, Regular training on documentation standards

Using M79.1 instead of M79.7 for fibromyalgia

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data and patient records.

Mitigation

Ensure documentation supports fibromyalgia diagnosis with WPI and SS scores.

Incorrect sequencing of G89.4 and M79.7

Impact

Reimbursement: Improper sequencing can affect claim approval., Compliance: Violates ICD-10 sequencing rules., Data Quality: Leads to inaccurate data on patient care priorities.

Mitigation

Sequence G89.4 first only when the visit is for pain management.

Documentation of WPI and SS scores

Impact

Lack of documentation for WPI and SS scores can trigger audits.

Mitigation

Ensure all clinical notes include these scores and meet ACR criteria.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with M79.7.

Primary Code

M79.7

Fibromyalgia

Quick Navigation

ICD-10 codes4

Coding risks4

FAQs3

ICD-10 Coding for Fibromyalgia(M79.7, F32.9, G89.4)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for fibromyalgia?

When should G89.4 be used with fibromyalgia?

What documentation is required for fibromyalgia coding?

Related condition guides