You are here

Fibromyalgia M79.7 729.1

synonyms: fibromyalgia, fibromyositis, fibrositis, idiopathic myalgia

Fibromyalgia ICD-10

Fibromyalgia ICD-9

  • 729.1 Myalgia and myositis, unspecified

Fibromyalgia Etiology / Epidemiology / Natural History

  • Fibromyalgis = Pain in all 4 quadrants of the body, as well as in the axial skeleton continuously for at least 3 months and the presence of at least 11 of 18 anatomically specific tender points. Tender points are painful areas when pressure (4 kg) is applied, without referred pain.
  • Disturbances within the central nervous system (CNS) known as central sensitization represent the most likely etiology.
  • Patients have demonstrated biochemical changes in the CNS, low levels of serotonin, 4-fold increase in nerve growth factor, elevated levels of substance P.
  • Affects 2% of the general population. 3.4% of women and 0.5% of men.
  • Women/male = 5/1, any age. Most common 20-50 y/o

Fibromyalgia Anatomy

  • Tender Points

Fibromyalgia Clinical Evaluation

  • "I hurt all over all the time." Constant burning, aching, and soreness. Location migrates and intensity varies.
  • Digital palpation performed with 4 kg force causing pain in 11 of 18 Tender Pointsindicates Fibromyalgia.
  • Fatigue, nonrestorative sleep, paresthesias, memory difficulties.

Fibromyalgia Xray / Diagnositc Tests

  • No tests diagnose fibromyalgia
  • All routine labs will be normal including ESR, CRP.

Fibromyalgia Classification / Treatment

  • Referral to Rheumatologist / PMR / Primary care
  • Physical therapy, trigger-point injections, cognitive behavioral therapy, relaxation training, group therapy, biofeedback, stress management, exercise.
  • Tricyclic antidepressants, serotonin/norepinephrine reuptake inhibitors, NSAIDs.

Fibromyalgia Associated Injuries / Differential Diagnosis

  • Sleeping Disorders (60%)
  • Restless-legs syndrome (25%)
  • Myofascial pain syndrome
  • Irritable bowel syndrome
  • Dysmenorrhea
  • Depression
  • Lyme Disease
  • Premenstrual syndrome
  • Hypothyroidism
  • Muliple sclerosis
  • And many many more

Fibromyalgia Complications

  • Recurrent flare-ups
  • Depression

Fibromyalgia Follow-up Care

Fibromyalgia Review References


The information on this website is intended for orthopaedic surgeons.  It is not intended for the general public. The information on this website may not be complete or accurate.  The eORIF website is not an authoritative reference for orthopaedic surgery or medicine and does not represent the "standard of care".  While the information on this site is about health care issues and sports medicine, it is not medical advice. People seeking specific medical advice or assistance should contact a board certified physician.  See Site Terms / Full Disclaimer