G89.21 — Chronic pain due to trauma
Is G89.21 billable?
Yes — G89.21 is billable for FY2027. G89.21 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. G89.21 may be submitted for encounters from October 1, 2026 through September 30, 2027.
G89.21 at a glance
| Code | G89.21 |
|---|---|
| Description | Chronic pain due to trauma |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does G89.21 group to?
G89.21 sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 091Other Disorders of Nervous System with MCCmedical
- 092Other Disorders of Nervous System with CCmedical
- 093Other Disorders of Nervous System without CC/MCCmedical
How is G89.21 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to G89.21. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Pain › chronic › due to trauma (s)
Excludes1 — never code together — inherited from G89
The conditions below can never be reported together with G89.21 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from G89.2
The conditions below can never be reported together with G89.21 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- 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-)
Excludes2 — not included here — inherited from Chapter 6
The conditions below are not part of G89.21, but a patient may have both at the same time. When documentation supports it, G89.21 and the excluded code may both be reported.
- 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)
Excludes2 — not included here — inherited from G89
The conditions below are not part of G89.21, but a patient may have both at the same time. When documentation supports it, G89.21 and the excluded code may both be reported.
- 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 — inherited from G89
Two codes may be needed to describe the condition fully. Whether G89.21 is sequenced first depends on the reason for the encounter.
- related psychological factors associated with pain (F45.42)
How long has G89.21 existed?
G89.21 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.