ICD10BillableValid for clinical use
ICD-10 Code G89.22: Chronic post-thoracotomy pain
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 chronic post-thoracotomy pain in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
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.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G89-G99Other disorders of the nervous system
category
G89Pain, not elsewhere classified
category
G89.2Chronic pain, not elsewhere classified
currentG89.2
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
NeurologistGeneral Physician
Related codes
Sibling codes
Coverage-related procedures and services
CPT 64448high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; FEMORAL NERVE, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64449high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; LUMBAR PLEXUS, POSTERIOR APPROACH, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT)
Source: CMS coverage guidance
CPT 64446high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; SCIATIC NERVE, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64999high
UNLISTED PROCEDURE, NERVOUS SYSTEM
Source: CMS coverage guidance
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70450high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Chronic post-thoracotomy pain
Frequently asked questions
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.