MCMCB Pro
G97.1

G97.1Other reaction to spinal and lumbar puncture

Billable / specific codeICD-10-CM

G97.1 is a billable, specific ICD-10-CM code for other reaction to spinal and lumbar puncture. It is valid for submission on a claim.

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

  • , if applicable, any associated headache with orthostatic component (R51.0)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Risk adjustment

G97.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

G97.1 is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57206Billing and Coding: Lumbar MRI

How G97.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G97.1.

  • Complicationlumbar puncture
  • Complicationpuncture, spinal
  • Headachelumbar puncture
  • Headachepostspinal puncture
  • Headachespinal fluid loss(from puncture)
  • Reactionfluid loss, cerebrospinal
  • Reactionlumbar puncture
  • Reactionspinal puncture
  • Syncopedue to spinal puncture(lumbar)
  • Complicationlumbar punctureheadache or reaction
  • Complicationpostoperativelumbar puncture
  • Complicationpuncture, spinalheadache or reaction

Related codes at this level

Codes that share G97. If G97.1 is not quite right, the correct code is usually one of these.

Questions about G97.1

Is G97.1 a billable ICD-10-CM code?
Yes. G97.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G97.1 sit in the tabular list?
Diseases of the nervous system (G00-G99), in the block Other disorders of the nervous system (G89-G99).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.