2027 ICD-10-CM Diagnosis Code G89.0Central pain syndrome

ICD-10-CM Codes›G00–G99›G89-G99›G89

ICD-10-CM G89.0
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

G89.0 is a billable ICD-10-CM diagnosis code for central pain syndrome. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 91 through 93. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Nervous system pain and pain syndromes.

Code Identity

ICD-10-CM Code
G89.0
Billable Status
Yes — Valid for Submission
Code Describes
Central pain syndrome
Short Description
Central pain syndrome
Same as the full description in the CMS dataset.
Parent Code
G89
Pain, not elsewhere classified

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG89-G99Other disorders of the nervous system
CategoryG89Pain, not elsewhere classified
This CodeG89.0Central pain syndrome

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Central neuropathic pain
  • Central pain
  • Central pain syndrome
  • Central sensitization
  • Chronic central neuropathic pain
  • Chronic central post-stroke pain
  • Chronic pain due to injury
  • Pain following cerebrovascular accident
  • Pseudothalamic pain
  • Thalamic pain
  • Thalamic syndrome

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to G89.0: its own notes plus those printed at G89 and Chapter 6. A note printed at a category, block or chapter applies to every code under it.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Déjérine-Roussy syndrome
  • Myelopathic pain syndrome
  • Thalamic pain syndrome (hyperesthetic)

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From G89 Pain, not elsewhere classified applies to 10 codes
  • generalized pain NOS (R52)
  • pain disorders exclusively related to psychological factors (F45.41)
  • pain NOS (R52)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From G89 Pain, not elsewhere classified applies to 10 codes
From Chapter 6 (G00-G99) Diseases of the nervous system applies to 700 codes
  • 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)

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From G89 Pain, not elsewhere classified applies to 10 codes
  • related psychological factors associated with pain (F45.42)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name G89.0, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming G89.0: they are not reported together with it, unless the two conditions are unrelated.

  • G89.2 Chronic pain, not elsewhere classified
    central pain syndrome (G89.0)
  • R52 Pain, unspecified
    acute and chronic pain, not elsewhere classified (G89.-) names G89.-, which includes this code

Code Also 1

These codes say G89.0 may also be needed to fully describe the condition. The note gives no sequencing direction.

  • F45.42 Pain disorder with related psychological factors
    associated acute or chronic pain (G89.-) names G89.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NVS019
Nervous system pain and pain syndromes
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Central Pain Syndrome

    a neurological condition characterized by diffuse sensory changes, most commonly pain, secondary to central nervous system disease or injury.

  • Pain

    an unpleasant sensation induced by noxious stimuli which are detected by nerve endings of nociceptive neurons.

Patient EducationClinical

Pain

Pain is a signal in your nervous system that something may be wrong. It is an unpleasant feeling, such as a prick, tingle, sting, burn, or ache. Each person feels pain differently, even if the reason for the pain is the same. Pain may be sharp or dull. It may be mild or severe. Pain may come and go, or it may be constant.

The full article covers:

  • What is pain?
  • What are the types of pain?
  • What causes pain?
  • How is pain diagnosed?
  • What are the treatments for pain?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert G89.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
338.0 Central pain syndrome
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About G89.0Overview

What is the ICD-10 code for central pain syndrome?

The ICD-10-CM code for central pain syndrome is G89.0 (sometimes written as G890). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is G89.0 (Pain, not elsewhere classified) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report central pain syndrome on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does G89.0 group to?

When central pain syndrome is the principal diagnosis on an inpatient stay, it groups to MS-DRG 91, 92, 93, with relative weights from 0.7783 to 1.7050 depending on complications. Higher weights mean higher Medicare reimbursement.

Can G89.0 be reported with R52?

Not as a rule. The Excludes1 note at G89, which applies to G89.0, lists "generalized pain NOS (R52)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of G89.0?

Under the General Equivalence Mappings, central pain syndrome converts to ICD-9-CM 338.0 (central pain syndrome). The mapping is a direct match.