G89.18 ICD-10-CM Code: Other acute postprocedural pain
G89.18 is the authoritative medical code for Other acute postprocedural pain. This classification is used in medical billing and clinical recording to specify the clinical criteria for other acute postprocedural pain (ICD-10-CM G89.18), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 947 — SIGNS AND SYMPTOMS WITH MCC (MDC 23)
- MS-DRG 948 — SIGNS AND SYMPTOMS WITHOUT MCC (MDC 23)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G89.18 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Postoperative pain NOS
- Postprocedural pain NOS
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- generalized pain NOS (R52)
- pain disorders exclusively related to psychological factors (F45.41)
- pain NOS (R52)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- 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
Additional codes that may be required to fully describe the encounter.
- related psychological factors associated with pain (F45.42)
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G89.18?
Per official ICD-10-CM Excludes1 instructions, G89.18 must not be reported together with: generalized pain NOS (R52); pain disorders exclusively related to psychological factors (F45.41); pain NOS (R52).
Can G89.18 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, G89.18 and the following are not considered part of each other and may both be reported when both conditions are present: atypical face pain (G50.1); headache syndromes (G44.-); localized pain, unspecified type - code to pain by site, such as:; abdomen pain (R10.-).
What conditions are included under G89.18?
Other acute postprocedural pain includes: Postoperative pain NOS; Postprocedural pain NOS.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G89.18 in its code family, with their registry titles.
- G89 — Pain, not elsewhere classified
- G89.0 — Central pain syndrome
- G89.1 — Acute pain, not elsewhere classified
- G89.11 — Acute pain due to trauma
- G89.12 — Acute post-thoracotomy pain
- G89.2 — Chronic pain, not elsewhere classified
- G89.21 — Chronic pain due to trauma
- G89.22 — Chronic post-thoracotomy pain
- G89.28 — Other chronic postprocedural pain
- G89.29 — Other chronic pain
Indexed Clinical Terms (3)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Pain (s), acute, postprocedural NEC
- Pain (s), postoperative NOS
- Pain (s), postprocedural NOS