ICD10BillableValid for clinical use
ICD-10 Code G93.6: Cerebral edema
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).
When is it used?
- May be used when a clinician documents cerebral edema in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G89-G99Other disorders of the nervous system
category
G93Other disorders of brain
currentG93
Official coding notes
Excludes1 (do not code together)
- cerebral edema due to birth injury (P11.0)
- traumatic cerebral edema (S06.1-)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
NeurologistGeneral Physician
Related codes
G93.0Cerebral cystscodeG93.1Anoxic brain damage, not elsewhere classifiedcodeG93.2Benign intracranial hypertensioncodeG93.3Postviral and related fatigue syndromescategoryG93.4Other and unspecified encephalopathycategoryG93.5Compression of braincodeG93.7Reye's syndromecodeG93.8Other specified disorders of braincategoryG93.9Disorder of brain, unspecifiedcode
Sibling codes
G93.0Cerebral cystsbillableG93.1Anoxic brain damage, not elsewhere classifiedbillableG93.2Benign intracranial hypertensionbillableG93.3Postviral and related fatigue syndromesG93.4Other and unspecified encephalopathyG93.5Compression of brainbillableG93.7Reye's syndromebillableG93.8Other specified disorders of brainG93.9Disorder of brain, unspecifiedbillable
Coverage-related procedures and services
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70450high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 70470high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
CPT 72126high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITH CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 72125high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 72127high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 1179802002high
ARIA-E - amyloid-related image abnormality of edema or effusion
Source: SNOMED International ICD-10 map
SNOMED_CT 1342329006high
Cerebellar edema
Source: SNOMED International ICD-10 map
SNOMED_CT 2032001high
Cerebral edema
Source: SNOMED International ICD-10 map
SNOMED_CT 230760006high
Cytotoxic cerebral oedema
Source: SNOMED International ICD-10 map
SNOMED_CT 230762003high
High altitude cerebral edema
Source: SNOMED International ICD-10 map
SNOMED_CT 330011000119102high
Non-traumatic cerebral edema
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
G93.6
Common synonyms
Cerebral edema
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.