W23 ICD-10-CM Code: Caught, crushed, jammed or pinched in or between objects
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Coding at a Glance
- 7th character
- Required — characters A · D · S
- Tabular directives
- 11 Excludes1
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for W23 in the official ICD-10-CM tabular list, quoted as published.
Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2026Effective: October 1, 2025
Notes without a marker are published on W23 itself; “inherited from” names the category or block whose note applies here.
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).
- injury caused by cutting or piercing instruments (W25-W27) Compare W23 vs W25 →
- injury caused by firearms malfunction (W32.1, W33.1-, W34.1-) Compare W23 vs W32.1 →
- injury caused by lifting and transmission devices (W24.-) Compare W23 vs W24 →
- injury caused by machinery (W28-W31) Compare W23 vs W28 →
- injury caused by nonpowered hand tools (W27.-) Compare W23 vs W27 →
- injury caused by transport vehicle being used as a means of transportation (V01-V99) Compare W23 vs V01 →
- injury caused by struck by thrown, projected or falling object (W20.-) Compare W23 vs W20 →
- assault (X92-Y09) inherited from W20-W49Compare W23 vs X92 →
- contact or collision with animals or persons (W50-W64) inherited from W20-W49Compare W23 vs W50 →
- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-) inherited from W20-W49Compare W23 vs Y36 →
- intentional self-harm (X71-X83) inherited from W20-W49Compare W23 vs X71 →
7th Character Guide
"The appropriate 7th character is to be added to each code from category W23"
- A — initial encounter
- D — subsequent encounter
- S — sequela
How the encounter character is assigned. “Initial encounter” means the patient is receiving active treatment for the condition — it is not limited to the first visit, and a different or new provider giving active treatment still assigns it. “Subsequent encounter” covers care during the healing or recovery phase after active treatment. “Sequela” is for complications or conditions that arise as a direct result of the original condition.
ICD-10-CM Official Guidelines for Coding and Reporting, Section I.C.19.a (paraphrased by MedCoder).
Variant codes in this family
W23.0XXA, W23.0XXD, W23.0XXS, W23.1XXA, W23.1XXD, W23.1XXS, W23.2XXA, W23.2XXD
Character meanings are CMS's official 7th-character extensions for this family, as carried in each variant code's official description; variant codes are registry rows. The explanation of how the encounter character is assigned is MedCoder editorial, distinct from the official content above it.
Coder workflow for W23
MedCoder structured workflow — derived from this code’s own official record
Before you code W23
- W23 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).
See the relationships section · Guide: How to choose an ICD-10-CM code →
- A 7th character is required in this family. Confirm the documented encounter: initial (active treatment), subsequent (healing or recovery phase), or sequela. W23 is not valid without one. “Initial” means active treatment, not the first visit (Guidelines I.C.19.a).
See the 7th Character Guide · Guide: 7th characters: initial, subsequent, sequela →
- An external cause code is reported in addition to the code for the injury or condition, never as the principal or first-listed diagnosis. Confirm the cause, intent, place of occurrence, activity and status where the record documents them, and assign the 7th character that matches the injury code. External cause coding guidelines (Guidelines I.C.20.a).
- Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with W23. 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 W23?
Yes → Select that code and continue the checks below on its own page.
No → W23 cannot be reported as written; query for the specificity its subcategory needs. - Does the documentation support a condition named in W23’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. - Is the encounter phase documented — active treatment, healing or recovery, or a sequela?
Yes → Assign the matching 7th character; the variant codes are in the 7th Character Guide.
No → The code is invalid without its 7th character — query for the missing element.
Consider W23. Then 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).
- Encounter type
- Active treatment, healing or recovery phase, or sequela — the basis of the 7th character (Guidelines I.C.19.a).
Official instructions as workflow
Excludes1 — check before selecting W23(11 notes)
Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with W23: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.
CompareW32.1, W33.1, W34.1, W24, W27, W20
See the official tabular notes · Guidelines I.A.12.a
Coding decision scenarios
Pattern scenarios for this code’s structure — decision rules, not clinical cases
Documentation: Both the condition W23 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).
Documentation: The patient returns during the healing or recovery phase after active treatment of the same condition.
Coding question: Which 7th character applies?
Path: Review the official 7th-character definitions for this family in the 7th Character Guide.
Reason: “Initial encounter” means active treatment, not the first visit; care during recovery takes “subsequent encounter”, and a complication arising from the original condition takes “sequela” (Guidelines I.C.19.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.
Verify Before Coding
- Not billable as written — a more specific code is required: W23.0XXA, W23.0XXD, W23.0XXS, W23.1XXA, W23.1XXD.
- Requires a 7th character. "The appropriate 7th character is to be added to each code from category W23" Options: W23.0XXA, W23.0XXD, W23.0XXS, W23.1XXA, W23.1XXD, W23.1XXS
- Principal-diagnosis restriction. External cause of morbidity codes (V, W, X and Y) describe the circumstance that caused an injury, not the condition treated. The Medicare Code Editor rejects them as a principal diagnosis; sequence the injury or condition first and report this code as secondary.
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.
Contextual Map
Every relationship of W23 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 W23 with these 8 related codes in Claim Check
Hierarchy
- V00-Y99 — Chapter 20: External Causes of Morbidity (V00-Y99) (V00-Y99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W00-X58 — Other external causes of accidental injury[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W20-W49 — Exposure to inanimate mechanical forces[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Excludes1 (41)
- W20 — Struck by thrown, projected or falling object[Excludes1]: “injury caused by struck by thrown, projected or falling object (W20.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W24 — Contact with lifting and transmission devices, not elsewhere classified[Excludes1]: “injury caused by lifting and transmission devices (W24.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W25 — Contact with sharp glass[Excludes1]: “injury caused by cutting or piercing instruments (W25-W27)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W26 — Contact with other sharp objects[Excludes1]: “injury caused by cutting or piercing instruments (W25-W27)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W27 — Contact with nonpowered hand tool[Excludes1]: “injury caused by cutting or piercing instruments (W25-W27)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W28 — Contact with powered lawn mower[Excludes1]: “injury caused by machinery (W28-W31)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W29 — Contact with other powered hand tools and household machinery[Excludes1]: “injury caused by machinery (W28-W31)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- W30 — Contact with agricultural machinery[Excludes1]: “injury caused by machinery (W28-W31)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- and 33 more
Nearest codes (12)
- W23.0 — Caught, crushed, jammed, or pinched between moving objects[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.0XXA — Caught, crushed, jammed, or pinched between moving objects, initial encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.0XXD — Caught, crushed, jammed, or pinched between moving objects, subsequent encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.0XXS — Caught, crushed, jammed, or pinched between moving objects, sequela[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.1 — Caught, crushed, jammed, or pinched between stationary objects[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.1XXA — Caught, crushed, jammed, or pinched between stationary objects, initial encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.1XXD — Caught, crushed, jammed, or pinched between stationary objects, subsequent encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- W23.1XXS — Caught, crushed, jammed, or pinched between stationary objects, sequela[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 W23 be billed directly?
No. W23 (Caught, crushed, jammed or pinched in or between objects) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does W23 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category W23; A: initial encounter; D: subsequent encounter; S: sequela.
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
- 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. "W23 — Caught, crushed, jammed or pinched in or between objects." ICD-10-CM FY2026. https://medcoder.ai/icd10/code/w23-caught-crushed-jammed-or-pinched-in-or-between-objects
Change history
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionCaught, crushed, jammed or pinched in or between objects
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 W23 in its code family, with their registry titles.
- W23.0 — Caught, crushed, jammed, or pinched between moving objects
- W23.0XXA — Caught, crushed, jammed, or pinched between moving objects, initial encounter
- W23.0XXD — Caught, crushed, jammed, or pinched between moving objects, subsequent encounter
- W23.0XXS — Caught, crushed, jammed, or pinched between moving objects, sequela
- W23.1 — Caught, crushed, jammed, or pinched between stationary objects
- W23.1XXA — Caught, crushed, jammed, or pinched between stationary objects, initial encounter
- W23.1XXD — Caught, crushed, jammed, or pinched between stationary objects, subsequent encounter
- W23.1XXS — Caught, crushed, jammed, or pinched between stationary objects, sequela
- W23.2 — Caught, crushed, jammed or pinched between a moving and stationary object
- W23.2XXA — Caught, crushed, jammed or pinched between a moving and stationary object, initial encounter
- W23.2XXD — Caught, crushed, jammed or pinched between a moving and stationary object, subsequent encounter
- W23.2XXS — Caught, crushed, jammed or pinched between a moving and stationary object, sequela