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Neuropathy, Fibromyalgia & Chronic Pain • ICD-10-CM M79.12

Myalgia of auxiliary muscles, head and neck

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM M79.12 • 7 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Myalgia of auxiliary muscles, head and neck Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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What Is Myalgia of auxiliary muscles, head and neck?

Designated in federal medical registries as M79.12, Myalgia of auxiliary muscles, head and neck falls under Chronic Pain & Nerves management, where metabolic/autoimmune neuropathy lab in Myalgia of auxiliary muscles, head and neck (M79.12: panels) establishes baseline severity and rules out diagnostic mimics.

Pathophysiology, Underlying Causes & Clinical Presentation

At the cellular and tissue level in chronic pain & nerves, Myalgia of auxiliary muscles, head and neck (M79.12) involves microvascular endoneurial ischemia [Myalgia of auxiliary muscles, head and neck M79.12]. progression correlates with shifts in Vitamin B12 & in Myalgia of auxiliary muscles, head and neck (M79.12: Methylmalonic Acid) (B12 > 500 pg/mL (M79.12)).

Common Symptoms & Clinical Signs

  • • Presentation of Myalgia of auxiliary muscles, head and neck (M79.12): localized nerve entrapment in Myalgia of auxiliary muscles, head and neck (M79.12: numbness or radiating)
  • • Secondary Myalgia of auxiliary muscles, head and neck clinical sign: burning, electric-shock, or in Myalgia of auxiliary muscles, head and neck (M79.12: pins-and-needles pain in)
  • • Symptom flares in Myalgia of auxiliary muscles, head and neck correlating with Vitamin B12 & in Myalgia of auxiliary muscles, head and neck (M79.12: Methylmalonic Acid) deviation outside B12 > 500 pg/mL (M79.12)
  • • Functional chronic pain & nerves impact requiring metabolic/autoimmune neuropathy lab in Myalgia of auxiliary muscles, head and neck (M79.12: panels) evaluation (M79.12)

Myalgia of auxiliary muscles, head and neck Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code M79.12 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Neuropathy, Fibromyalgia & Chronic Pain NLM Clinical Tables
Diagnostic / Lab Marker: Vitamin B12 & in Myalgia of auxiliary muscles, head and neck (M79.12: Methylmalonic Acid) B12 > 500 pg/mL (M79.12) Clinical Reference Target Range
Diagnostic / Lab Marker: hs-CRP & ESR in Myalgia of auxiliary muscles, head and neck (M79.12: Inflammatory Check) hs-CRP < 1.0 mg/L (M79.12) Clinical Reference Target Range
Diagnostic / Lab Marker: HbA1c & 2-Hour in Myalgia of auxiliary muscles, head and neck (M79.12: Glucose Tolerance) HbA1c < 5.6% (M79.12) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Myalgia of auxiliary muscles, head and neck

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Trubrexa Patch ER Trubrexa Patch ER Generic • RxCUI 2667457 Amide Local Anesthetic 92% $0.9800 $ 48.19 /mo
Gout Relief 3310-S (Celery Seed Medicago Sativa Whole) Gout Relief 3310-S • RxCUI RXN-B85631001 Non-Standardized Food Allergenic Extract 87% $2.4100 $ 182.02 /mo
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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Myalgia of auxiliary muscles, head and neck)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
Can This Approach Help? Inside the Latest Research on Tocilizumab in patients with new onset polymyalgia rheumatica (PMR-SPARE): a

In patients with new onset polymyalgia rheumatica undergoing rapid glucocorticoid tapering, tocilizumab was superior to placebo regarding sustained glucocorticoid-free full symptom relief, time to relapse and cumulative...

Annals of the rheumatic diseases • 2022-06-15 • Phase III Randomized Trial
N = 36 88/100 PMID 35210264 ↗
Can This Approach Help? Inside the Latest Research on Benefits and safety of Sublingual Cyclobenzaprine for the Treatment of

In this phase III, randomized, controlled trial of patients with FM, treatment with TNX-102 SL was associated with significant reductions in daily pain and was safe and well tolerated.

Arthritis care & research • 2023-11-15 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 37165930 ↗
Can This Approach Help? Inside the Latest Research on N-of-1 (single-patient) trials for statin-related

In selected patients with a history of statin-related myalgia whose symptoms are difficult to evaluate, n-of-1 trials may be a useful method for determining statin tolerability.

Annals of internal medicine • 2014-03-04 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 24737272 ↗
Can This Approach Help? Inside the Latest Research on Long-term real-world benefits and safety of vutrisiran in hereditary

Results from the HELIOS-A RTE demonstrate relative stability with only modest changes in disease activity, sustained serum TTR reductions, and an acceptable safety profile with long-term vutrisiran treatment in patients.

Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis • 2026-09-15 • Phase III Randomized Trial
N = 76 82/100 PMID 42290201 ↗
Can This Approach Help? Inside the Latest Research on Self-guided digital behavioural therapy versus active control for fibromyalgia

Digital ACT was safe and efficacious compared with digital symptom tracking in managing fibromyalgia in adult patients.

Lancet (London, England) • 2024-07-27 • Phase III Randomized Trial
N = 140 82/100 PMID 38991582 ↗
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