AutoICD API

G20.C

Billable

Parkinsonism, unspecified

Parkinsonism, unspecified

Status

Billable / Specific

Block

G20-G26

Parent Code

G20

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Parkinsonism, NOS

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • Parkinson's disease NOS (G20.A1)
  • Parkinson's disease with dyskinesia (G20.B-)
  • Parkinson's disease without dyskinesia (G20.A-)
  • secondary parkinsonism (G21.-)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Use Additional Code

Additional codes that should follow this code

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is the ICD-10 code for parkinsonism, unspecified?

The ICD-10-CM code for parkinsonism, unspecified is G20.C. The full clinical description is "Parkinsonism, unspecified". G20.C is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code G20.C mean?

ICD-10-CM code G20.C represents "Parkinsonism, unspecified". 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 G20.C a billable code?

Yes, G20.C is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G20.C in?

G20.C is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G20.C?

G20.C has Excludes1 notes indicating codes that cannot be used together with it, including: Parkinson's disease NOS (G20.A1); Parkinson's disease with dyskinesia (G20.B-); Parkinson's disease without dyskinesia (G20.A-); and 1 more.

Are additional codes required with G20.C?

Yes, when using G20.C you should also code: code, if applicable, to identify:; dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4); dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-); dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3); dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2); dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0); mild neurocognitive disorder due to known physiological condition (F06.7-).

What SNOMED CT codes does G20.C map to?

G20.C maps to 28 SNOMED CT concepts: 720466001, 230258005, 1259122001, 838276009, 1259123006, and 23 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G20.C?

G20.C is linked to 1 UMLS Concept Unique Identifier: C0242422. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.