ICD-10-CM Codes
G00-G99 Diseases of the nervous system
G10-G14 Systemic atrophies primarily affecting the central nervous system
G13- Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
2021 ICD-10-CM Diagnosis Code G13

2021 ICD-10-CM Diagnosis Code G13

Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

G13 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Systemic atrophies aff cnsl in diseases classd elswhr
The 2021 edition of ICD-10-CM G13 became effective on October 1, 2020.
This is the American ICD-10-CM version of G13 - other international versions of ICD-10 G13 may differ.

The following code(s) above G13 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

that may be applicable to G13:

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

ICD-10-CM Codes Adjacent To G13

G12.2 Motor neuron disease

G12.20 …… unspecified

G12.21 Amyotrophic lateral sclerosis

G12.22 Progressive bulbar palsy

G12.23 Primary lateral sclerosis

G12.24 Familial motor neuron disease

G12.25 Progressive spinal muscle atrophy

G12.29 Other motor neuron disease

G12.8 Other spinal muscular atrophies and related syndromes

G12.9 Spinal muscular atrophy, unspecified

G13 Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere

G13.0 Paraneoplastic neuromyopathy and neuropathy

G13.1 Other systemic atrophy primarily affecting central nervous system in neoplastic disease

G13.2 Systemic atrophy primarily affecting the central nervous system in myxedema

G13.8 Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere

G14 Postpolio syndrome

G20 Parkinson's disease

G21 Secondary parkinsonism

G21.0 Malignant neuroleptic syndrome

G21.1 Other drug-induced secondary parkinsonism

G21.11 Neuroleptic induced parkinsonism

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