G97
Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified
G97 is a non-billable ICD-10-CM code category for intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are G97.0 Cerebrospinal fluid leak from spinal puncture, G97.1 Other reaction to spinal and lumbar puncture, G97.2 Intracranial hypotension following ventricular shunting, G97.3 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a procedure and 4 more. Its coding notes include 9 Excludes2 entries.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Intraoperative and postprocedural complications are coded from the body system chapters unless the complication is specifically indexed to a T code.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)
More specific codes under G97 8
- G97.0Cerebrospinal fluid leak from spinal punctureBillable
- G97.1Other reaction to spinal and lumbar punctureBillable
- G97.2Intracranial hypotension following ventricular shuntingBillable
- G97.3Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a procedureHeader
- G97.4Accidental puncture and laceration of a nervous system organ or structure during a procedureHeader
- G97.5Postprocedural hemorrhage of a nervous system organ or structure following a procedureHeader
- G97.6Postprocedural hematoma and seroma of a nervous system organ or structure following a procedureHeader
- G97.8Other intraoperative and postprocedural complications and disorders of nervous systemHeader