- G12.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM G12.21 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G12.21 – other international versions of ICD-10 G12.21 may differ.
ICD-10-CM G12.21 is grouped within Diagnostic Related Group(s):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to G12.21:
- lateral sclerosis > Amyotrophia, amyotrophy, amyotrophic G71.8
- Duchenne-Aran > Atrophy, atrophic (of)
- Duchenne-Aran > muscle, muscular (diffuse) (general) (idiopathic) (primary) M62.50
- progressive (bulbar) > muscle, muscular (diffuse) (general) (idiopathic) (primary) M62.50
- Aran-Duchenne > spinal G12.9
- amyotrophic lateral sclerosis > motor neuron (bulbar) (mixed type) (spinal) G12.20
- amyotrophic > Paralysis, paralytic (complete) (incomplete) G83.9
- progressive > muscle, muscular NEC G72.89
- progressive > spinal (cord) G83.9
- amyotrophic (lateral) > Sclerosis, sclerotic
- lateral (amyotrophic) (descending) (spinal) > Sclerosis, sclerotic
- lateral (amyotrophic) > spinal (cord) (progressive) G95.89