G89 ICD-10-CM Code: Pain, not elsewhere classified
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Coding at a Glance
- Tabular directives
- 3 Excludes1 · 27 Excludes2 · 1 code-also instruction
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for G89 in the official ICD-10-CM tabular list, quoted as published.
Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2026Effective: October 1, 2025
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- generalized pain NOS (R52) Compare G89 vs R52 →
- pain disorders exclusively related to psychological factors (F45.41) Compare G89 vs F45.41 →
- pain NOS (R52) Compare G89 vs 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) Compare G89 vs G50.1 →
- headache syndromes (G44.-) Compare G89 vs G44 →
- localized pain, unspecified type - code to pain by site, such as:
- abdomen pain (R10.-) Compare G89 vs R10 →
- back pain (M54.9) Compare G89 vs M54.9 →
- breast pain (N64.4) Compare G89 vs N64.4 →
- chest pain (R07.1-R07.9) Compare G89 vs R07.1 →
- ear pain (H92.0-) Compare G89 vs H92.0 →
- eye pain (H57.1) Compare G89 vs H57.1 →
- headache (R51.9) Compare G89 vs R51.9 →
- joint pain (M25.5-) Compare G89 vs M25.5 →
- limb pain (M79.6-) Compare G89 vs M79.6 →
- lumbar region pain (M54.5-) Compare G89 vs M54.5 →
- painful urination (R30.9) Compare G89 vs R30.9 →
- pelvic and perineal pain (R10.2-) Compare G89 vs R10.2 →
- shoulder pain (M25.51-) Compare G89 vs M25.51 →
- spine pain (M54.-) Compare G89 vs M54 →
- throat pain (R07.0) Compare G89 vs R07.0 →
- tongue pain (K14.6) Compare G89 vs K14.6 →
- tooth pain (K08.8) Compare G89 vs K08.8 →
- renal colic (N23) Compare G89 vs N23 →
- migraines (G43.-) Compare G89 vs G43 →
- myalgia (M79.1-) Compare G89 vs M79.1 →
- pain from prosthetic devices, implants, and grafts (T82.84, T83.84, T84.84, T85.84-) Compare G89 vs T82.84 →
- phantom limb syndrome with pain (G54.6) Compare G89 vs G54.6 →
- vulvar vestibulitis (N94.810) Compare G89 vs N94.810 →
- vulvodynia (N94.81-) Compare G89 vs N94.81 →
Code Also
Additional codes that may be required to fully describe the encounter.
- related psychological factors associated with pain (F45.42)
Coder workflow for G89
MedCoder structured workflow — derived from this code’s own official record
Before you code G89
- G89 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).
ReviewG89.0, G89.1, G89.2, G89.3, G89.4
See the relationships section · Guide: How to choose an ICD-10-CM code →
- “Other” (NEC) means the condition is specified in the record but no dedicated code captures it. Confirm the documented form is not one a sibling code names before settling on G89; if the record states no specifics at all, the unspecified sibling applies instead. “Other” codes are for documented conditions the classification gives no specific code; “unspecified” codes are for records lacking the detail (Guidelines I.A.9.a, I.A.9.b).
See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →
- Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with G89. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).
Choose the right path
- Does the documentation support one of the more specific codes beneath G89?
Yes → Select that code and continue the checks below on its own page.
No → G89 cannot be reported as written; query for the specificity its subcategory needs. - Does the documentation support a condition named in G89’s Excludes1 note?
Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
No → Continue.
Consider G89. Then review the Code Also note, and confirm the code is valid for the date of service in the Verify section.
Documentation check
- The provider’s diagnostic statement
- Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
- Any detail beyond this code’s title
- What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.
Official instructions as workflow
Excludes1 — check before selecting G89(3 notes)
Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with G89: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.
See the official tabular notes · Guidelines I.A.12.a
Excludes2 — not part of G89(27 notes)
Coding workflow: The conditions named in this note are not included in G89. When the record documents both, both may be reported; the note is a boundary, not a prohibition.
CompareG50.1, G44, R10, M54.9, N64.4, H92.0
See the official tabular notes · Guidelines I.A.12.b
Code Also — related condition(1 note)
Coding workflow: Review the related condition when both are documented and the instruction applies. A Code Also note does not fix sequencing; the order follows the circumstances of the encounter.
ReviewF45.42
See the official tabular notes · Guidelines I.A.17
Coding decision scenarios
Pattern scenarios for this code’s structure — decision rules, not clinical cases
Documentation: Both the condition G89 describes and a condition named in its Excludes1 note are documented for the same encounter.
Coding question: Can both codes be reported?
Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.
Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).
Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.
Code Overview
MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.
Official Coding Guidelines
Official source data — quoted verbatim from the CMS/NCHS Official Guidelines
Official source data — quoted verbatim from the CMS/NCHS Official Guidelines
Verbatim excerpts from the ICD-10-CM Official Guidelines for Coding and Reporting (CMS/NCHS) that govern this code.
Chapter 5: Mental, Behavioral and Neurodevelopmental disorders (F01 – F99)
a. Pain disorders related to psychological factors Assign code F45.41, for pain that is exclusively related to psychological disorders. As indicated by the Excludes 1 note under category G89, a code from category G89 should not be assigned with code F45.41.
Chapter 5: Mental, Behavioral and Neurodevelopmental disorders (F01 – F99)
Code F45.42, Pain disorders with related psychological factors, should be used with a code from category G89, Pain, not elsewhere classified, if there is documentation of a psychological component for a patient with acute or chronic pain.
Chapter 6: Diseases of the Nervous System (G00-G99)
1) General coding information Codes in category G89, Pain, not elsewhere classified, may be used in conjunction with codes from other categories and chapters to provide more detail about acute or chronic pain and neoplasm-related pain, unless otherwise indicated below.
Chapter 6: Diseases of the Nervous System (G00-G99)
If the pain is not specified as acute or chronic, post-thoracotomy, postprocedural, or neoplasm-related, do not assign codes from category G89.
Chapter 6: Diseases of the Nervous System (G00-G99)
A code from category G89 should not be assigned if the underlying (definitive) diagnosis is known, unless the reason for the encounter is pain control/ management and not management of the underlying condition.
Chapter 6: Diseases of the Nervous System (G00-G99)
When an admission or encounter is for a procedure aimed at treating the underlying condition (e.g., spinal fusion, kyphoplasty), a code for the underlying condition (e.g., vertebral fracture, spinal stenosis) should be assigned as the principal diagnosis. No code from category G89 should be assigned.
Chapter 6: Diseases of the Nervous System (G00-G99)
(a) Category G89 Codes as Principal or First-Listed Diagnosis Category G89 codes are acceptable as principal diagnosis or the first-listed code: • When pain control or pain management is the reason for the admission/encounter (e.g., a patient with displaced intervertebral disc, nerve impingement and severe back pain presents for injection of steroid into the spinal canal). The underlying cause of the pain should be reported as an additional diagnosis, if known. • When a patient is admitted for the insertion of a neurostimulator for pain control, assign the appropriate pain code as the principal or first-listed diagnosis. When an admission or encounter is for a procedure aimed at treating the underlying condition and a neurostimulator is inserted for pain control during the same admission/encounter, a code for the underlying condition should be assigned as the principal diagnosis and the appropriate pain code should be assigned as a secondary diagnosis.
Chapter 6: Diseases of the Nervous System (G00-G99)
(b) Use of Category G89 Codes in Conjunction with Site Specific Pain Codes
Decision Points
The directives on this code's own record, as a pre-claim checklist.
- 1 Code Also note — a second code may apply; the guidelines leave its sequencing to the circumstances of the encounter. See the Code Also notes
- 3 Excludes1 entries — codes named there are generally not reported together with this code (Guidelines I.A.12.a). See the Excludes1 notes
- 27 Excludes2 entries — those conditions are not part of this code and may be reported additionally when documented. See the Excludes2 notes
Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.
Verify Before Coding
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.
Relationships & Classification
MedCoder structured relationships — computed from published CMS and AHRQ datasets
Other codes that name G89 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.
Referenced by 1 Excludes1 note: R52 — Pain, unspecified.
These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.
Referenced by 1 Code Also instruction: F45.42 — Pain disorder with related psychological factors.
These codes suggest coding this condition alongside when both are present.
Contextual Map
Every relationship of G89 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Run G89 with these 11 related codes in Claim Check
Hierarchy
- G00-G99 — Chapter 6: Diseases of the Nervous System (G00-G99) (G00-G99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89-G99 — Other disorders of the nervous system[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Excludes1
- F45.41 — Pain disorder exclusively related to psychological factors[Excludes1]: “pain disorders exclusively related to psychological factors (F45.41)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- R52 — Pain, unspecified[Excludes1]: “generalized pain NOS (R52)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Excludes2 (35)
- G43 — Migraine[Excludes2]: “migraines (G43.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- G44 — Other headache syndromes[Excludes2]: “headache syndromes (G44.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- G50.1 — Atypical facial pain[Excludes2]: “atypical face pain (G50.1)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- G54.6 — Phantom limb syndrome with pain[Excludes2]: “phantom limb syndrome with pain (G54.6)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- H57.1 — Ocular pain[Excludes2]: “eye pain (H57.1)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- H92.0 — Otalgia[Excludes2]: “ear pain (H92.0-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- K08.8 — Other specified disorders of teeth and supporting structures[Excludes2]: “tooth pain (K08.8)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- K14.6 — Glossodynia[Excludes2]: “tongue pain (K14.6)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- and 27 more
Code Also
- F45.42 — Pain disorder with related psychological factors[Code Also]: “related psychological factors associated with pain (F45.42)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Referenced by Excludes1 notes
- R52 — Pain, unspecified[Excludes1]: “acute and chronic pain, not elsewhere classified (G89.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Referenced by Code Also instructions
- F45.42 — Pain disorder with related psychological factors[Code Also]: “associated acute or chronic pain (G89.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Nearest codes (12)
- G89.0 — Central pain syndrome[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.1 — Acute pain, not elsewhere classified[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.11 — Acute pain due to trauma[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.12 — Acute post-thoracotomy pain[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.18 — Other acute postprocedural pain[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.2 — Chronic pain, not elsewhere classified[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.21 — Chronic pain due to trauma[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- G89.22 — Chronic post-thoracotomy pain[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- and 4 more
Change history
- FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016
Common coding questions
Can G89 be billed directly?
No. G89 (Pain, not elsewhere classified) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, title, tabular notes and index terms Official source data
- CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
- Coding guidelines Official source data
- ICD-10-CM Official Guidelines for Coding and Reporting (FY2026), quoted by section Release, file and checksum · Publisher’s page
- Claim edits Official source data
- CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Cite this page
Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.
MedCoder.ai. "G89 — Pain, not elsewhere classified." ICD-10-CM FY2026. https://medcoder.ai/icd10/code/g89-pain-not-elsewhere-classified
Change history
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionPain, not elsewhere classified
No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G89 in its code family, with their registry titles.
- 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
- G89.18 — Other acute postprocedural 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
- G89.3 — Neoplasm related pain (acute) (chronic)
- G89.4 — Chronic pain syndrome