G71
Non-Billable

Primary disorders of muscles

Non-Billable / Non-Specific Code

What is Primary disorders of muscles?

ICD-10-CM G71 is the diagnosis code for Primary disorders of muscles. This code falls under the section "Diseases of myoneural junction and muscle" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for G71

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in G71. If the patient has both, code each condition separately:

  • arthrogryposis multiplex congenita (Q74.3)
  • metabolic disorders (E70-E88)
  • myositis (M60.-)

ICD-10-CM Code Hierarchy

Understanding where G71 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
G71.0Muscular dystrophyNon-BillableG71.00Muscular dystrophy, unspecifiedBillableG71.01Duchenne or Becker muscular dystrophyBillableG71.02Facioscapulohumeral muscular dystrophyBillableG71.03Limb girdle muscular dystrophiesNon-BillableG71.031Autosomal dominant limb girdle muscular dystrophyBillableG71.032Autosomal recessive limb girdle muscular dystrophy due to calpain-3 dysfunctionBillableG71.033Limb girdle muscular dystrophy due to dysferlin dysfunctionBillableG71.034Limb girdle muscular dystrophy due to sarcoglycan dysfunctionNon-BillableG71.0340Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecifiedBillableG71.0341Limb girdle muscular dystrophy due to alpha sarcoglycan dysfunctionBillableG71.0342Limb girdle muscular dystrophy due to beta sarcoglycan dysfunctionBillableG71.0349Limb girdle muscular dystrophy due to other sarcoglycan dysfunctionBillableG71.035Limb girdle muscular dystrophy due to anoctamin-5 dysfunctionBillableG71.036Limb girdle muscular dystrophy due to fukutin related protein dysfunctionBillableG71.038Other limb girdle muscular dystrophyBillableG71.039Limb girdle muscular dystrophy, unspecifiedBillableG71.09Other specified muscular dystrophiesBillableG71.1Myotonic disordersNon-BillableG71.11Myotonic muscular dystrophyBillableG71.12Myotonia congenitaBillableG71.13Myotonic chondrodystrophyBillableG71.14Drug induced myotoniaBillableG71.19Other specified myotonic disordersBillableG71.2Congenital myopathiesNon-BillableG71.20Congenital myopathy, unspecifiedBillableG71.21Nemaline myopathyBillableG71.22Centronuclear myopathyNon-BillableG71.220X-linked myotubular myopathyBillableG71.228Other centronuclear myopathyBillableG71.29Other congenital myopathyBillableG71.3Mitochondrial myopathy, not elsewhere classifiedBillableG71.8Other primary disorders of musclesBillableG71.9Primary disorder of muscle, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is G71 a billable ICD-10-CM code?

No, G71 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does G71 mean?

G71 is the ICD-10-CM diagnosis code for "Primary disorders of muscles". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is G71 in?

G71 is located in Section G70-G73 — "Diseases of myoneural junction and muscle" within Chapter 6 of the ICD-10-CM Tabular List.

What are the sub-codes of G71?

G71 has 6 sub-code(s) that provide more specific detail: G71.0, G71.1, G71.2, G71.3, G71.8 and more.

When should I use G71?

Use G71 when the patients documented diagnosis matches "Primary disorders of muscles" 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 Primary disorders of muscles?

The ICD-10-CM code for Primary disorders of muscles is G71.

Can G71 be used for primary diagnosis?

No, G71 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is G71 in?

G71 is in Chapter 6 of the ICD-10-CM Tabular List.

Is G71 valid for 2026?

Yes, G71 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousG70.9Myoneural disorder, unspecifiedNext →G71.0Muscular dystrophy
Code Details
G71
Primary disorders of muscles
Non-Billable / Non-Specific Code
6 — Diseases of the nervous system (G00-G99)
G70-G73 — Diseases of myoneural junction and muscle
2026 ICD-10-CM