AutoICD API

G12.21

Billable

Amyotrophic lateral sclerosis

Amyotrophic lateral sclerosis

Status

Billable / Specific

Block

G10-G14

Parent Code

G12.2

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(6)
G12.20

Motor neuron disease, unspecified

BillableG12.22

Progressive bulbar palsy

BillableG12.23

Primary lateral sclerosis

BillableG12.24

Familial motor neuron disease

BillableG12.25

Progressive spinal muscle atrophy

BillableG12.29

Other motor neuron disease

Billable
Also Known As / Clinical Terms(160)

SNOMED CT

UMLS

Clinical Terms

  • ALS6 - amyotrophic lateral sclerosis type 6
  • Gehrig's Disease
  • Amyotrophic lateral sclerosis with autonomic dysfunction
  • Juvenile amyotrophic lateral sclerosis type 5
  • Amyotrophic lateral sclerosis with dementia
  • Charcot Disease
  • Lou Gehrig disease
  • ALS4 - amyotrophic lateral sclerosis type 4
  • LOU GEHRIG DIS
  • LOU GEHRIGS DIS
  • dHMN (distal hereditary motor neuropathy) with upper motor neuron signs
  • ALS9 - amyotrophic lateral sclerosis type 9
  • Bulbar motor neuron disease
  • ALS8 - amyotrophic lateral sclerosis type 8
  • Motor neuron disease, amyotrophic lateral sclerosis
  • Sclerosis, Amyotrophic Lateral
  • Lytico Bodig disease
  • ALS - Amyotrophic Lateral Sclerosis
  • Restrictive lung disease
  • Lou Gehrig's disease (ALS)
  • Amyotrophic lateral sclerosis type 10
  • Amyotrophic lateral sclerosis type 8
  • JALS (juvenile amyotrophic lateral sclerosis) type 2
  • JALS - juvenile amyotrophic lateral sclerosis
  • Amyotrophic lateral sclerosis type 9
  • ALS (amyotrophic lateral sclerosis) type 1
  • ALS5 - amyotrophic lateral sclerosis type 5
  • Juvenile amyotrophic lateral sclerosis
  • ALS Amyotrophic Lateral Sclerosis
  • Juvenile amyotrophic lateral sclerosis due to ALS2 gene mutation
  • Amyotrophic lateral sclerosis type 4
  • Autosomal recessive ALS (amyotrophic lateral sclerosis) type 1
  • Lou-Gehrigs Disease
  • MOTOR NEURON DIS AMYOTROPHIC LATERAL SCLEROSIS
  • ALS1 AR - amyotrophic lateral sclerosis type 1 autosomal recessive
  • Amyotrophic lateral sclerosis with parkinsonism
  • Restrictive lung disease due to amyotrophic lateral sclerosis
  • Disease, Lou-Gehrigs
  • amyotrophic laterals sclerosis
  • Shy-Drager syndrome
  • Amyotrophic lateral sclerosis type 3
  • Autosomal recessive amyotrophic lateral sclerosis type 1
  • Amyotrophic lateral sclerosis plus syndrome
  • Amyotrophic lateral sclerosis with cerebellar dysfunction
  • Amyotrophic lateral sclerosis with frontotemporal dementia
  • Gehrigs Disease
  • Amyotrophic lateral sclerosis type 7
  • ALS
  • ALS1 - amyotrophic lateral sclerosis type 1
  • Amyotrophic lateral sclerosis, parkinsonism, dementia complex
  • Amyotrophic lateral sclerosis with spinocerebellar ataxia
  • lou gehrigs disease
  • Amyotrophic lateral sclerosis (disorder)
  • ALS10 - amyotrophic lateral sclerosis type 10
  • Amyotrophic lateral sclerosis, parkinsonism, dementia complex of Kii Peninsula
  • Guam disease
  • Gehrig Disease
  • PDALS (parkinsonism, dementia, amyotrophic lateral sclerosis) complex
  • Amyotrophic lateral sclerosis, parkinsonism, dementia of Guam syndrome
  • Juvenile amyotrophic lateral sclerosis type 2
  • lou gehrig's disease
  • Amyotrophic lateral sclerosis, parkinsonism, dementia complex of West New Guinea
  • ALS1 AD - amyotrophic lateral sclerosis type 1 autosomal dominant
  • Amyotrophic lateral sclerosis type 1
  • Amyotrophic lateral sclerosis type 6
  • Autosomal dominant amyotrophic lateral sclerosis type 1
  • Amyotrophic lateral sclerosis with multiple system atrophy
  • Autosomal dominant ALS (amyotrophic lateral sclerosis) type 1
  • MSA - Multiple system atrophy
  • GEHRIGS DIS
  • ALS3 - amyotrophic lateral sclerosis type 3
  • ALS7 - amyotrophic lateral sclerosis type 7
  • Multiple system atrophy
Frequently Asked Questions
What is the ICD-10 code for amyotrophic lateral sclerosis?

The ICD-10-CM code for amyotrophic lateral sclerosis is G12.21. The full clinical description is "Amyotrophic lateral sclerosis". G12.21 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code G12.21 mean?

ICD-10-CM code G12.21 represents “Amyotrophic lateral sclerosis”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.

Is G12.21 a billable code?

Yes, G12.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G12.21 in?

G12.21 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What SNOMED CT codes does G12.21 map to?

G12.21 maps to 28 SNOMED CT concepts: 1201863001, 86044005, 1197523001, 1197524007, 1208412003, and 23 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G12.21?

G12.21 is linked to 1 UMLS Concept Unique Identifier: C0002736. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does G12.21 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like amyotrophic lateral sclerosis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of G12.21?

There is no direct ICD-11 mapping available for G12.21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.