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ICD10

ICD-10 Code G89: Pain, not elsewhere classified

G89 is an ICD-10 diagnosis entry used to group records related to Pain, not elsewhere classified. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

When is it used?

  • May be used when a clinician documents pain, not elsewhere classified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
6Diseases of the nervous system (G00-G99)
block
G89-G99Other disorders of the nervous system
currentG89-G99

Official coding notes

Excludes1 (do not code together)
  • generalized pain NOS (R52)
  • pain disorders exclusively related to psychological factors (F45.41)
  • pain NOS (R52)
Excludes2 (may code together if documented)
  • atypical face pain (G50.1)
  • headache syndromes (G44.-)
  • localized pain, unspecified type - code to pain by site, such as:
  • abdomen pain (R10.-)
  • back pain (M54.9)
  • breast pain (N64.4)
  • chest pain (R07.1-R07.9)
  • ear pain (H92.0-)
  • eye pain (H57.1)
  • headache (R51.9)
  • joint pain (M25.5-)
  • limb pain (M79.6-)
  • lumbar region pain (M54.5-)
  • painful urination (R30.9)
  • pelvic and perineal pain (R10.2-)
  • shoulder pain (M25.51-)
  • spine pain (M54.-)
  • throat pain (R07.0)
  • tongue pain (K14.6)
  • tooth pain (K08.8)
  • renal colic (N23)
  • migraines (G43.-)
  • myalgia (M79.1-)
  • pain from prosthetic devices, implants, and grafts (T82.84, T83.84, T84.84, T85.84-)
  • phantom limb syndrome with pain (G54.6)
  • vulvar vestibulitis (N94.810)
  • vulvodynia (N94.81-)
Code also
  • related psychological factors associated with pain (F45.42)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

NeurologistGeneral Physician

Coding guidelines

Common synonyms

Pain, not elsewhere classified

Frequently asked questions

Code details

CodeG89
SystemICD10
Display namePain, not elsewhere classified
ChapterDiseases of the nervous system (G00-G99)
BlockOther disorders of the nervous system

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.