DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

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

  • Header · not billable

G97 is not billable. The category heads 18 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

  • Durotomy (inadvertent) (incidental) → G97.41
  • Syndromehyperperfusion → G97.82
  • Headachelumbar puncture → G97.1

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G89-G99 Other disorders of the nervous system (G89-G99)
  3. G97 Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified
Billable codes
18
Subdivisions
8
CC / MCC codes
17 / 0
HCC V28 codes
0
New FY2027
0
Index entries
55

Codes in G97

  1. G97.0
    Cerebrospinal fluid leak from spinal puncture
    BillableCC
    Code also 2

    Code also

    • any associated diagnoses or complications, such as:
    • intracranial hypotension following a procedure (G97.83-G97.84) G97.83 G97.84
  2. G97.1
    Other reaction to spinal and lumbar puncture
    Billable
    Inclusion terms 2, Code also 1

    Inclusion terms

    • Headache due to lumbar puncture
    • Other reaction to spinal dural puncture

    Code also

    • , if applicable, any associated headache with orthostatic component (R51.0) R51.0
  3. G97.2
    Intracranial hypotension following ventricular shunting
    BillableCC
    Code also 1

    Code also

    • any associated diagnoses or complications
  4. G97.3
    Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a procedure
    Header
    Excludes1 1

    Excludes1

    • intraoperative hemorrhage and hematoma of a nervous system organ or structure due to accidental puncture and laceration during a procedure (G97.4-) G97.4
  5. G97.31
    Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedure
    BillableCC
  6. G97.32
    Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating other procedure
    BillableCC
  7. G97.4
    Accidental puncture and laceration of a nervous system organ or structure during a procedure
    Header
  8. G97.41
    Accidental puncture or laceration of dura during a procedure
    BillableCC
    Inclusion terms 1, Code also 1

    Inclusion terms

    • Incidental (inadvertent) durotomy

    Code also

    • any associated diagnoses or complications
  9. G97.48
    Accidental puncture and laceration of other nervous system organ or structure during a nervous system procedure
    BillableCC
  10. G97.49
    Accidental puncture and laceration of other nervous system organ or structure during other procedure
    BillableCC
  11. G97.5
    Postprocedural hemorrhage of a nervous system organ or structure following a procedure
    Header
  12. G97.51
    Postprocedural hemorrhage of a nervous system organ or structure following a nervous system procedure
    BillableCC
  13. G97.52
    Postprocedural hemorrhage of a nervous system organ or structure following other procedure
    BillableCC
  14. G97.6
    Postprocedural hematoma and seroma of a nervous system organ or structure following a procedure
    Header
  15. G97.61
    Postprocedural hematoma of a nervous system organ or structure following a nervous system procedure
    BillableCC
  16. G97.62
    Postprocedural hematoma of a nervous system organ or structure following other procedure
    BillableCC
  17. G97.63
    Postprocedural seroma of a nervous system organ or structure following a nervous system procedure
    BillableCC
  18. G97.64
    Postprocedural seroma of a nervous system organ or structure following other procedure
    BillableCC
  19. G97.8
    Other intraoperative and postprocedural complications and disorders of nervous system
    Header
    Use additional code 1

    Use additional code

    • code to further specify disorder
  20. G97.81
    Other intraoperative complications of nervous system
    BillableCC
  21. G97.82
    Other postprocedural complications and disorders of nervous system
    BillableCC
  22. G97.83
    Intracranial hypotension following lumbar cerebrospinal fluid shunting
    BillableCC
    Code also 1

    Code also

    • any associated diagnoses or complications
  23. G97.84
    Intracranial hypotension following other procedure
    BillableCC
    Code also 3

    Code also

    • , if applicable:
    • accidental puncture or laceration of dura during a procedure (G97.41) G97.41
    • cerebrospinal fluid leak from spinal puncture (G97.0) G97.0

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At G97

Excludes2

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

Notes that also apply

Chapter 6 instructions (Excludes2 8): printed on the chapter 6 page.

Index entries

  • Durotomy (inadvertent) (incidental) → G97.41
  • Complication(s) (from) (of)lumbar puncture → G97.1
  • Complication(s) (from) (of)puncture, spinal → G97.1
  • Headachelumbar puncture → G97.1
  • Headachepostspinal puncture → G97.1
  • Headachespinal fluid loss (from puncture) → G97.1
  • Reactionfluid loss, cerebrospinal → G97.1
  • Reactionlumbar puncture → G97.1
  • Reactionspinal puncture → G97.1
  • Syncope (near) (pre-)due to spinal (lumbar) puncture → G97.1
  • Tear, torn (traumatic)dural → G97.41
  • Hypoxiacerebral, during a procedure NEC → G97.81
  • Pseudomeningocele (cerebral) (infective) (post-traumatic)postprocedural (spinal) → G97.82
  • Syndromehyperperfusion → G97.82
  • Complication(s) (from) (of)lumbar puncturecerebrospinal fluid leak → G97.0
  • Complication(s) (from) (of)puncture, spinalcerebrospinal fluid leak → G97.0
  • Leak, leakagecerebrospinal fluidfrom spinal (lumbar) puncture → G97.0
  • Complication(s) (from) (of)lumbar punctureheadache or reaction → G97.1
  • Complication(s) (from) (of)postoperativelumbar puncture → G97.1
  • Complication(s) (from) (of)puncture, spinalheadache or reaction → G97.1
  • Complication(s) (from) (of)spinalpuncture or tap → G97.1
  • Reactionspinal puncturedural → G97.1
  • Complication(s) (from) (of)surgical procedure (on)intracranial hypotension following ventricular shunting (ventriculostomy) → G97.2
  • Anoxia (pathological)cerebralduring a procedure → G97.81
  • Anoxia (pathological)cerebralresulting from a procedure → G97.82
  • Complication(s) (from) (of)nervous systempostprocedural → G97.82
  • Hypoxiacerebral, during a procedure NECpostprocedural NEC → G97.82
  • Complication(s) (from) (of)nervous systempostproceduralspinal fluid leak → G97.0
  • Complication(s) (from) (of)postoperativelumbar puncturecerebrospinal fluid leak → G97.0
  • Complication(s) (from) (of)spinalpuncture or tapcerebrospinal fluid leak → G97.0
  • Complication(s) (from) (of)spinalpuncture or tapheadache or reaction → G97.1
  • Complication(s) (from) (of)nervous systempostproceduralintracranial hypotension → G97.2
  • Hypotension (arterial) (constitutional)intracranialfollowingventricular shunting (ventriculostomy) → G97.2
  • Complication(s) (from) (of)intraoperative (intraprocedural)specified NECnervous system → G97.81
  • Complication(s) (from) (of)nervous systempostproceduralspecified NEC → G97.82
  • Complication(s) (from) (of)postproceduralspecified NECnervous system → G97.82
  • Damagebrain (nontraumatic)anoxic, hypoxicresulting from a procedure → G97.82
  • Hypotension (arterial) (constitutional)intracranialfollowinglumbar cerebrospinal fluid shunting → G97.83
  • Hypotension (arterial) (constitutional)intracranialfollowingspecified procedure NEC → G97.84
  • Complication(s) (from) (of)intraoperative (intraprocedural)hemorrhage (hematoma) (of)nervous systemduring a nervous system procedure → G97.31

15 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

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