G89.21 – Chronic pain due to trauma
ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system
ICD-10-CM code
G89.21
- Code
G89.21(claims format:G8921)- Description
- Chronic pain due to trauma
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G89-G99 Other disorders of the nervous system
- Parent codes
- G89 › G89.2
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G89 – Pain, not elsewhere classified
Excludes1 (not coded here):
Excludes2 (not included here):
- 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)
G89.2 – Chronic pain, not elsewhere classified
Excludes1 (not coded here):
- causalgia, lower limb (G57.7-)
- causalgia, upper limb (G56.4-)
- central pain syndrome (G89.0)
- chronic pain syndrome (G89.4)
- complex regional pain syndrome II, lower limb (G57.7-)
- complex regional pain syndrome II, upper limb (G56.4-)
- neoplasm related chronic pain (G89.3)
- reflex sympathetic dystrophy (G90.5-)
Index terms for G89.21
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in G89.2
Frequently asked questions
What is ICD-10 code G89.21?
G89.21 is the ICD-10-CM code for chronic pain due to trauma, in the block G89-G99 (Other disorders of the nervous system).
Is G89.21 a billable code?
Yes. G89.21 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G89.21 belong to?
It belongs to category G89 – Pain, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.