G89.2 – Chronic pain, not elsewhere classified

ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system

Non-billable header

ICD-10-CM code G89.2

Code: G89.2 (claims format: G892)
Description: Chronic pain, not elsewhere classified
Billable: No – use a more specific code below
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

Billable codes under G89.2

G89.2 is a header code and cannot be used on claims. Choose the most specific code:

G89.21 – Chronic pain due to traumaBillable
G89.22 – Chronic post-thoracotomy painBillable
G89.28 – Other chronic postprocedural painBillable
G89.29 – Other chronic painBillable

Notes for G89.2

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-)

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):

generalized pain NOS (R52)
pain disorders exclusively related to psychological factors (F45.41)
pain NOS (R52)

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)

Related codes in G89

G89.0 – Central pain syndromeBillable
G89.1 – Acute pain, not elsewhere classifiedHeader
G89.3 – Neoplasm related pain (acute) (chronic)Billable
G89.4 – Chronic pain syndromeBillable

Frequently asked questions

What is ICD-10 code G89.2?

G89.2 is the ICD-10-CM code for chronic pain, not elsewhere classified, in the block G89-G99 (Other disorders of the nervous system).

Is G89.2 a billable code?

No. G89.2 is a header code with more specific child codes; report one of the billable codes listed above.

What category does G89.2 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.