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W50.2XXA vs W50.2XXD

W50.2XXA (Accidental twist by another person, initial encounter) compared with W50.2XXD (Accidental twist by another person, subsequent encounter), from the official CMS tabular data.

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources

Summary

No tabular note links these codes. Both belong to category W50, and nothing in the tabular list prevents reporting each when it is documented.

Registry fact
What is different?

Title wording.The titles differ in one word, “initial” (W50.2XXA) versus “subsequent” (W50.2XXD): W50.2XXA is “Accidental twist by another person, initial encounter”; W50.2XXD is “Accidental twist by another person, subsequent encounter”.

Registry fact

Can these codes be reported together?

No instruction prevents it.No note in either entry names the other. Both belong to category W50; each may be reported when its own documentation is present.

Registry fact

Is there an Excludes1 relationship?

None.Neither entry carries an Excludes1 note that names the other code. W50.2XXA carries 3 Excludes1 notes and W50.2XXD carries 3 Excludes1 notes covering other codes; the side-by-side table quotes them.

Official rule

Is there an Excludes2 relationship?

None.Neither entry carries an Excludes2 note that names the other code.

Official rule

Is one more specific?

No.Neither is a subdivision of the other, and neither title is the unspecified form; they describe different conditions within category W50.

Registry fact

Is one a parent or header code?

No.Both are billable codes, and neither contains the other.

Registry fact

Are there sequencing instructions?

None.Neither entry carries a Code First or Use Additional Code note that names the other.

Official rule

Are there other coding relationships?

None found.No laterality, encounter-phase, Table of Neoplasms, Table of Drugs and Chemicals, or history-versus-active-disease relationship links these codes.

MedCoder-derived

Official rule: a tabular instructional note or a section of the ICD-10-CM Official Guidelines, quoted as published. Registry fact: the codes’ own published attributes (titles, billable status, position in the hierarchy, code set). MedCoder-derived: a reading MedCoder computes from those facts; it is not itself a rule. How to read the labels

Can these codes be reported together?

Yes, when each is documented. W50.2XXA and W50.2XXD both belong to category W50.

No Excludes1/Excludes2 relationship exists between these codes in the official tabular list. The code titles state what each one covers, and the documentation decides which applies.

Side by side

W50.2XXAAccidental twist by another person, initial encounterW50.2XXDAccidental twist by another person, subsequent encounter
Billing statusBillableBillable
ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionAccidental twist by another person, initial encounter is a billable ICD-10-CM diagnosis code (W50.2XXA).Accidental twist by another person, subsequent encounter is a billable ICD-10-CM diagnosis code (W50.2XXD).
7th characterThe appropriate 7th character is to be added to each code from category W50The appropriate 7th character is to be added to each code from category W50
Includes
hit, strike, kick, twist, bite, or scratch by another person NOS
Twist by another person NOS
hit, strike, kick, twist, bite, or scratch by another person NOS
Twist by another person NOS
Excludes1
assault by bodily force (Y04)
struck by objects (W20-W22)
Toxic effect of contact with venomous animals and plants (T63.-)
assault by bodily force (Y04)
struck by objects (W20-W22)
Toxic effect of contact with venomous animals and plants (T63.-)

Notes are the code’s own tabular entry, quoted as published. A note that names the other code is the one the verdict above rests on.

Derived from the official CMS ICD-10-CM tabular data (FY2027). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources