2023 ICD-10-CM Diagnosis Code G93.5

Compression of brain

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • G93.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM G93.5 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of G93.5 - other international versions of ICD-10 G93.5 may differ.
Applicable To
  • Arnold-Chiari type 1 compression of brain
  • Compression of brain (stem)
  • Herniation of brain (stem)
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as G93.5. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • traumatic compression of brain (
    ICD-10-CM Diagnosis Code S06.A

    Traumatic brain compression and herniation

      2022 - New Code 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Traumatic cerebral compression
    Code First
    • the underlying traumatic brain injury, such as:
    • diffuse traumatic brain injury (S06.2-)
    • focal traumatic brain injury (S06.3-)
    • traumatic subdural hemorrhage (S06.5-)
    • traumatic subarachnoid hemorrhage (S06.6-)
The following code(s) above G93.5 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G93.5:
  • G00-G99
    2023 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • 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)
    Diseases of the nervous system
Approximate Synonyms
  • Arnold chiari type 1
  • Brain compression
  • Brain stem compression
  • Brain stem herniation
  • Cerebellar pressure cone
  • Cerebral herniation
  • Chiari malformation type i
  • Compression of brain due to focal lesion
  • Compression of brain due to nontraumatic intracerebral hemorrhage
  • Herniation brain stem
  • Herniation cerebral
  • Herniation tonsillar, into foramen magnum
  • Herniation under falx cerebri
  • Intracerebral hemorrhage with brain compression
  • Intracerebral hemorrhage with brain compression and coma
  • Intracerebral hemorrhage, coma
  • Nontraumatic subarachnoid hemorrhage with brain compression
  • Nontraumatic subarachnoid hemorrhage with coma and brain compression
  • Nontraumatic subdural hematoma with brain compression
  • Nontraumatic subdural hematoma with brain compression and coma
  • Posterior fossa compression syndrome
  • Subarachnoid hemorrhage, with brain compression
  • Subarachnoid hemorrhage, with coma
  • Subdural hematoma, with brain compression
  • Subdural hematoma, with coma
  • Tonsillar hernia into foramen magnum
ICD-10-CM G93.5 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 080 Nontraumatic stupor and coma with mcc
  • 081 Nontraumatic stupor and coma without mcc

Convert G93.5 to ICD-9-CM

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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to G93.5:

ICD-10-CM Codes Adjacent To G93.5
G93.1 Anoxic brain damage, not elsewhere classified
G93.2 Benign intracranial hypertension
G93.3 Postviral and related fatigue syndromes
G93.31 Postviral fatigue syndrome
G93.32 Myalgic encephalomyelitis/chronic fatigue syndrome
G93.39 Other post infection and related fatigue syndromes
G93.4 Other and unspecified encephalopathy
G93.40 Encephalopathy, unspecified
G93.41 Metabolic encephalopathy
G93.49 Other encephalopathy
G93.5 Compression of brain
G93.6 Cerebral edema
G93.7 Reye's syndrome
G93.8 Other specified disorders of brain
G93.81 Temporal sclerosis
G93.82 Brain death
G93.89 Other specified disorders of brain
G93.9 Disorder of brain, unspecified
G94 Other disorders of brain in diseases classified elsewhere
G95 Other and unspecified diseases of spinal cord
G95.0 Syringomyelia and syringobulbia

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