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ICD-10/T63.611S

T63.611S ICD-10-CM Code: Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), sequela

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, Appendix B.

  • MS-DRG 922 — OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITH MCC (MDC 21)
  • MS-DRG 923 — OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC (MDC 21)

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.

Official Registry Overview & Definition

Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), sequela is a billable ICD-10-CM diagnosis code (T63.611S).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for T63.611S in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • bite or touch of venomous animal
  • pricked or stuck by thorn or leaf

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).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code(s):
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
  • personal history of foreign body fully removed (Z87.821)
  • to identify any retained foreign body, if applicable (Z18.-)

Change history

  • FY2022 — 2021-10-01
    Description revised
    Toxic effect of contact with Portugese Man-o-war, accidental (unintentional), sequela → Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), sequela
    FY2022 changes
  • FY2022 — 2021-10-01
    Short description revised
    Toxic effect of contact w Portugese Man-o-war, acc, sequela → Toxic effect of cntct with Portuguese Man-o-war, acc, sqla
    FY2022 changes

Verify Before Coding

  • Billable — reportable as written.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Referenced by Other Codes

Clinical classification (AHRQ CCSR):INJ075 — Poisoning/toxic effect/adverse effects/underdosing, sequela (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Potential MS-DRG Relationships (FY2026)

Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.

Named in the grouper logic of 2 MS-DRGs: DRG 922 (MDC 21), DRG 923 (MDC 21).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Official ICD-10-CM tabular notes on other codes that name T63.611S or its code family.

15 Excludes1 notes: W50 (via T63.-), W50-W64 (via T63.-), W51 (via T63.-), W52 (via T63.-), W53 (via T63.-), W54 (via T63.-), W55 (via T63.-), W56 (via T63.-), W57 (via T63.-), W58 (via T63.-) and 5 more.

1 Excludes2 notes: S71 (via T63.-).

Frequently Asked Questions (FAQ) & Clinical Guidance

Does T63.611S require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T63.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T63.611S in its code family, with their registry titles.

  • T63.6 — Toxic effect of contact with other venomous marine animals
  • T63.61 — Toxic effect of contact with Portuguese Man-o-war
  • T63.611 — Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional)
  • T63.611A — Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), initial encounter
  • T63.611D — Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), subsequent encounter
  • T63.612 — Toxic effect of contact with Portuguese Man-o-war, intentional self-harm
  • T63.612A — Toxic effect of contact with Portuguese Man-o-war, intentional self-harm, initial encounter
  • T63.612D — Toxic effect of contact with Portuguese Man-o-war, intentional self-harm, subsequent encounter
  • T63.612S — Toxic effect of contact with Portuguese Man-o-war, intentional self-harm, sequela
  • T63.613 — Toxic effect of contact with Portuguese Man-o-war, assault

View all codes in the T63 family