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

ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system

Billable code

ICD-10-CM code G97.31

Code: G97.31 (claims format: G9731)
Description: Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure
Short description: Intraop hemor/hemtom of a nervous sys org comp nrv sys proc
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 6. Diseases of the nervous system (G00-G99)
Block: G89-G99 Other disorders of the nervous system
Parent codes: G97 › G97.3

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

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-)

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

Excludes1 (not coded here):

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

Index terms for G97.31

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in G97.3

G97.32 – Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating other procedureBillable

Frequently asked questions

What is ICD-10 code G97.31?

G97.31 is the ICD-10-CM code for intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure, in the block G89-G99 (Other disorders of the nervous system).

Is G97.31 a billable code?

Yes. G97.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G97.31 belong to?

It belongs to category G97 – Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.