G97.31 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from G97 Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified

Excludes2 (not included here)

• intraoperative and postprocedural cerebrovascular infarction (I97.81-, I97.82-)

Applies from G97.3 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a procedure

Excludes1 (never code together)

• intraoperative hemorrhage and hematoma of a nervous system organ or structure due to accidental puncture and laceration during a procedure (G97.4-)

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 997.02 Iatrogenic cerebrovascular infarction or hemorrhage (approximate)
• 998.11 Hemorrhage complicating a procedure (approximate)
• 998.12 Hematoma complicating a procedure (approximate)

Code annotations containing back-references to G97.31

Back-references to G97.3

• Type 2 Excludes: I97.4 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a procedure ("intraoperative cerebrovascular hemorrhage complicating a procedure (G97.3-)")
• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)")

Diagnosis Index entries for G97.31

• Complication (s) (from) (of) › intraoperative (intraprocedural) › hemorrhage (hematoma) (of) › nervous system › during a nervous system procedure
• Hemorrhage, hemorrhagic (concealed) › intracranial (nontraumatic) › intracerebral (nontraumatic) (in) › intraoperative › during a nervous system procedure

Nearby codes

• G97 Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified
• 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
• G97.31 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure (this code)
• G97.32 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating other procedure
• G97.4 Accidental puncture and laceration of a nervous system organ or structure during a procedure
• G97.41 Accidental puncture or laceration of dura during a procedure
• G97.48 Accidental puncture and laceration of other nervous system organ or structure during a nervous system procedure
• G97.49 Accidental puncture and laceration of other nervous system organ or structure during other procedure