ICD-10-CM 2027
ICD-10 code for cauda equina cyst
From the official ICD-10-CM alphabetic index entry “Cyst (colloid) (mucous) (simple) (retention) › cauda equina”. Page updated September 29, 2026.
About coding cauda equina cyst
The ICD-10-CM code for cauda equina cyst is G95.89 (Other specified diseases of spinal cord).
Within G95.8, choose G95.89 (Other specified diseases of spinal cord) only when documentation doesn't support a more specific option: Conus medullaris syndrome (G95.81).
Don't report G95.89 together with the conditions in its Excludes1 note: myelopathy NOS (G95.9).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for G95.89)
- myelopathy NOS (G95.9)
Common questions about cauda equina cyst ICD-10 codes
What is the ICD-10 code for cauda equina cyst?
- G95.89 — Other specified diseases of spinal cord.
Is G95.89 billable?
- Yes. G95.89 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G95.89 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G95.89 as a principal diagnosis.
Is G95.89 a CC or MCC?
- G95.89 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.