M79.7
Billable

Fibromyalgia

Billable / Specific Code

What is Fibromyalgia?

ICD-10-CM M79.7 is the diagnosis code for Fibromyalgia. This code falls under the section "Other soft tissue disorders" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for M79.7

✅ This Code Includes

  • Fibromyositis
  • Fibrositis
  • Myofibrositis

ICD-10-CM Code Hierarchy

Understanding where M79.7 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M79.7 a billable ICD-10-CM code?

Yes, M79.7 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M79.7 mean?

M79.7 is the ICD-10-CM diagnosis code for "Fibromyalgia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M79.7?

The parent code of M79.7 is M79 ("Other and unspecified soft tissue disorders, not elsewhere classified"). M79.7 provides a more specific classification within this category.

What section is M79.7 in?

M79.7 is located in Section M70-M79 — "Other soft tissue disorders" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M79.7?

Use M79.7 when the patients documented diagnosis matches "Fibromyalgia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Fibromyalgia?

The ICD-10-CM code for Fibromyalgia is M79.7.

Can M79.7 be used for primary diagnosis?

Yes, M79.7 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M79.7 in?

M79.7 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M79.7 valid for 2026?

Yes, M79.7 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM79.676Pain in unspecified toe(s)Next →M79.8Other specified soft tissue disorders
Code Details
M79.7
Fibromyalgia
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M70-M79 — Other soft tissue disorders
2026 ICD-10-CM