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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G89-G99
Other disorders of the nervous system
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G99-
Other disorders of nervous system in diseases classified elsewhere
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2020 ICD-10-CM Diagnosis Code G99
2020 ICD-10-CM Diagnosis Code G99
Other disorders of nervous system in diseases classified elsewhere
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
- G99 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Oth disorders of nervous system in diseases classd elswhr
- The 2020 edition of ICD-10-CM G99 became effective on October 1, 2019.
- This is the American ICD-10-CM version of G99 - other international versions of ICD-10 G99 may differ.
The following code(s) above
G99 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
G99:
- 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
ICD-10-CM Codes Adjacent To G99
G97.61 Postprocedural hematoma of a nervous system organ or structure following a nervous system procedure
G97.62 Postprocedural hematoma of a nervous system organ or structure following other procedure
G97.63 Postprocedural seroma of a nervous system organ or structure following a nervous system procedure
G97.64 Postprocedural seroma of a nervous system organ or structure following other procedure
G97.8 Other intraoperative and postprocedural complications and disorders of nervous system
G97.81 Other intraoperative complications of nervous system
G97.82 Other postprocedural complications and disorders of nervous system
G98 Other disorders of nervous system not elsewhere classified
G98.0 Neurogenic arthritis, not elsewhere classified
G98.8 Other disorders of nervous system
G99
Other disorders of nervous system in diseases classified elsewhere
G99.0 Autonomic neuropathy in diseases classified elsewhere
G99.2 Myelopathy in diseases classified elsewhere
G99.8 Other specified disorders of nervous system in diseases classified elsewhere
H00 Hordeolum and chalazion
H00.0 Hordeolum (externum) (internum) of eyelid
H00.013 …… right eye, unspecified eyelid
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
