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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G50-G59
Nerve, nerve root and plexus disorders
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G51-
Facial nerve disorders
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2018 ICD-10-CM Diagnosis Code G51.3
Clonic hemifacial spasm
2016 2017 2018 Billable/Specific Code
- G51.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2018 edition of ICD-10-CM G51.3 became effective on October 1, 2017.
- This is the American ICD-10-CM version of G51.3 - other international versions of ICD-10 G51.3 may differ.
The following code(s) above
G51.3 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
G51.3:
- G00-G99
2018 ICD-10-CM Range G00-G99
Diseases of the nervous systemType 2 Excludes- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- G50-G59
2018 ICD-10-CM Range G50-G59
Nerve, nerve root and plexus disordersType 1 Excludes- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- neuralgia NOS (M79.2)
- neuritis NOS (M79.2)
- peripheral neuritis in pregnancy (O26.82-)
- radiculitis NOS (M54.1-)
- G51
ICD-10-CM Diagnosis Code G51
Facial nerve disorders
2016 2017 2018 Non-Billable/Non-Specific Code
Includes- disorders of 7th cranial nerve
- Hemifacial spasm
- Left clonic hemifacial spasm
- Left hemifacial spasm
- Right clonic hemifacial spasm
- Right hemifacial spasm
Clinical Information
- Recurrent clonic contraction of facial muscles, restricted to one side. It may occur as a manifestation of compressive lesions involving the seventh cranial nerve (facial nerve diseases), during recovery from bell palsy, or in association with other disorders. (from Adams et al., Principles of Neurology, 6th ed, p1378)
ICD-10-CM G51.3 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):
- 073 Cranial and peripheral nerve disorders with mcc
- 074 Cranial and peripheral nerve disorders without mcc
Convert G51.3 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- Bell's
- Myoclonus, myoclonic, myoclonia (familial) (essential) (multifocal) (simplex) G25.3
ICD-10-CM Diagnosis Code G25.3
Myoclonus
2016 2017 2018 Billable/Specific Code
Applicable To- Drug-induced myoclonus
- Palatal myoclonus
Use Additional- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- Spasm(s) R25.2 - see also condition
ICD-10-CM Diagnosis Code R25.2
Cramp and spasm
2016 2017 2018 Billable/Specific Code
- Bell's G51.3
- facial G51.3
- hemifacial G51.3 (clonic)
ICD-10-CM Codes Adjacent To G51.3
G47.9 Sleep disorder, unspecified
G50 Disorders of trigeminal nerve
G50.0 Trigeminal neuralgia
G50.1 Atypical facial pain
G50.8 Other disorders of trigeminal nerve
G50.9 Disorder of trigeminal nerve, unspecified
G51 Facial nerve disorders
G51.1 Geniculate ganglionitis
G51.2 Melkersson's syndrome
G51.3
Clonic hemifacial spasm
G51.8 Other disorders of facial nerve
G51.9 Disorder of facial nerve, unspecified
G52 Disorders of other cranial nerves
G52.0 Disorders of olfactory nerve
G52.1 Disorders of glossopharyngeal nerve
G52.2 Disorders of vagus nerve
G52.3 Disorders of hypoglossal nerve
G52.7 Disorders of multiple cranial nerves
G52.8 Disorders of other specified cranial nerves
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
