Y28.1XXA is the authoritative medical code for Contact with knife, undetermined intent, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for contact with knife, undetermined intent, initial encounter (ICD-10-CM Y28.1XXA), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Contact with knife, undetermined intent, initial encounter is a billable ICD-10-CM diagnosis code Y28.1A. 7th character: The appropriate 7th character is to be added to each code from category Y28.
Frequently Asked Questions (FAQ) & Clinical Guidance
Does Y28.1XXA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category Y28.
Codes in This Family (20)
Official ICD-10-CM classifications in the same code family as Y28.1XXA, with their registry titles.
- Y28 — Contact with sharp object, undetermined intent
- Y28.0 — Contact with sharp glass, undetermined intent
- Y28.0XXA — Contact with sharp glass, undetermined intent, initial encounter
- Y28.0XXD — Contact with sharp glass, undetermined intent, subsequent encounter
- Y28.0XXS — Contact with sharp glass, undetermined intent, sequela
- Y28.1 — Contact with knife, undetermined intent
- Y28.1XXD — Contact with knife, undetermined intent, subsequent encounter
- Y28.1XXS — Contact with knife, undetermined intent, sequela
- Y28.2 — Contact with sword or dagger, undetermined intent
- Y28.2XXA — Contact with sword or dagger, undetermined intent, initial encounter
- Y28.2XXD — Contact with sword or dagger, undetermined intent, subsequent encounter
- Y28.2XXS — Contact with sword or dagger, undetermined intent, sequela
- Y28.8 — Contact with other sharp object, undetermined intent
- Y28.8XXA — Contact with other sharp object, undetermined intent, initial encounter
- Y28.8XXD — Contact with other sharp object, undetermined intent, subsequent encounter
- Y28.8XXS — Contact with other sharp object, undetermined intent, sequela
- Y28.9 — Contact with unspecified sharp object, undetermined intent
- Y28.9XXA — Contact with unspecified sharp object, undetermined intent, initial encounter
- Y28.9XXD — Contact with unspecified sharp object, undetermined intent, subsequent encounter
- Y28.9XXS — Contact with unspecified sharp object, undetermined intent, sequela
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: