ICD-10-CM Codes
G00-G99 Diseases of the nervous system
G70-G73 Diseases of myoneural junction and muscle
G70- Myasthenia gravis and other myoneural disorders
2021 ICD-10-CM Diagnosis Code G70.2

2021 ICD-10-CM Diagnosis Code G70.2

Congenital and developmental myasthenia

2016

2017

2018

2019

2020

2021

Billable/Specific Code

G70.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM G70.2 became effective on October 1, 2020.
This is the American ICD-10-CM version of G70.2 - other international versions of ICD-10 G70.2 may differ.

The following code(s) above G70.2 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 G70.2:

G00-G99
2021 ICD-10-CM Range G00-G99
Diseases of the nervous system
Type 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)
Diseases of the nervous system
G70
ICD-10-CM Diagnosis Code G70
Myasthenia gravis and other myoneural disorders
Type 1 Excludes
- botulism (A05.1, A48.51-A48.52)
- transient neonatal myasthenia gravis (P94.0)
Myasthenia gravis and other myoneural disorders

Approximate Synonyms

Congenital myasthenia
Developmental myasthenia

ICD-10-CM G70.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

073 Cranial and peripheral nerve disorders with mcc
074 Cranial and peripheral nerve disorders without mcc

Convert G70.2 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
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to G70.2:

Amyotonia M62.89
ICD-10-CM Diagnosis Code M62.89
Other specified disorders of muscle
Applicable To
Muscle (sheath) hernia
- congenita G70.2
Myasthenia G70.9
ICD-10-CM Diagnosis Code G70.9
Myoneural disorder, unspecified
- congenital G70.2
- developmental G70.2
Oppenheim's disease G70.2

ICD-10-CM Codes Adjacent To G70.2

G64 Other disorders of peripheral nervous system

G65 Sequelae of inflammatory and toxic polyneuropathies

G65.0 Sequelae of Guillain-Barré syndrome

G65.1 Sequelae of other inflammatory polyneuropathy

G65.2 Sequelae of toxic polyneuropathy

G70 Myasthenia gravis and other myoneural disorders

G70.0 Myasthenia gravis

G70.00 …… without (acute) exacerbation

G70.01 …… with (acute) exacerbation

G70.1 Toxic myoneural disorders

G70.2 Congenital and developmental myasthenia

G70.8 Other specified myoneural disorders

G70.80 Lambert-Eaton syndrome, unspecified

G70.81 Lambert-Eaton syndrome in disease classified elsewhere

G70.89 Other specified myoneural disorders

G70.9 Myoneural disorder, unspecified

G71 Primary disorders of muscles

G71.0 Muscular dystrophy

G71.00 …… unspecified

G71.01 Duchenne or Becker muscular dystrophy

G71.02 Facioscapulohumeral muscular dystrophy

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code G70.2

Congenital and developmental myasthenia

Diseases of the nervous system

Myasthenia gravis and other myoneural disorders

Other specified disorders of muscle

Myoneural disorder, unspecified