G00–G99: Diseases of the Nervous System
Chapter 6 of ICD-10-CM 2027, 932 codes in 11 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- 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)
Codes in this chapter
All codesBillable only700 results
- G81.14Spastic hemiplegia affecting left nondominant side
- G81.90Hemiplegia, unspecified affecting unspecified side
- G81.91Hemiplegia, unspecified affecting right dominant side
- G81.92Hemiplegia, unspecified affecting left dominant side
- G81.93Hemiplegia, unspecified affecting right nondominant side
- G81.94Hemiplegia, unspecified affecting left nondominant side
- G82.20Paraplegia, unspecified
- G82.21Paraplegia, complete
- G82.22Paraplegia, incomplete
- G82.50Quadriplegia, unspecified
- G82.51Quadriplegia, C1-C4 complete
- G82.52Quadriplegia, C1-C4 incomplete
- G82.53Quadriplegia, C5-C7 complete
- G82.54Quadriplegia, C5-C7 incomplete
- G83.0Diplegia of upper limbs
- G83.10Monoplegia of lower limb affecting unspecified side
- G83.11Monoplegia of lower limb affecting right dominant side
- G83.12Monoplegia of lower limb affecting left dominant side
- G83.13Monoplegia of lower limb affecting right nondominant side
- G83.14Monoplegia of lower limb affecting left nondominant side
- G83.20Monoplegia of upper limb affecting unspecified side
- G83.21Monoplegia of upper limb affecting right dominant side
- G83.22Monoplegia of upper limb affecting left dominant side
- G83.23Monoplegia of upper limb affecting right nondominant side
- G83.24Monoplegia of upper limb affecting left nondominant side
- G83.30Monoplegia, unspecified affecting unspecified side
- G83.31Monoplegia, unspecified affecting right dominant side
- G83.32Monoplegia, unspecified affecting left dominant side
- G83.33Monoplegia, unspecified affecting right nondominant side
- G83.34Monoplegia, unspecified affecting left nondominant side
- G83.4Cauda equina syndrome
- G83.5Locked-in state
- G83.81Brown-Sequard syndrome
- G83.82Anterior cord syndrome
- G83.83Posterior cord syndrome
- G83.84Todd's paralysis (postepileptic)
- G83.89Other specified paralytic syndromes
- G83.9Paralytic syndrome, unspecified
- G89.0Central pain syndrome
- G89.11Acute pain due to trauma
- G89.12Acute post-thoracotomy pain
- G89.18Other acute postprocedural pain
- G89.21Chronic pain due to trauma
- G89.22Chronic post-thoracotomy pain
- G89.28Other chronic postprocedural pain
- G89.29Other chronic pain
- G89.3Neoplasm related pain (acute) (chronic)
- G89.4Chronic pain syndrome
- G90.01Carotid sinus syncope
- G90.09Other idiopathic peripheral autonomic neuropathy