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X75.XXXA ICD-10-CM Code: Intentional self-harm by explosive material, initial encounter

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Risk Adjustment (CMS-HCC)

Payment categories this diagnosis maps to under CMS-HCC V28, payment year 2026.

  • HCC 155 — Major Depression, Moderate or Severe, without Psychosis

Other models: CMS-HCC V22 HCC 58 · RxHCC V08 HCC 132

Risk scores depend on the enrollee's full accepted diagnosis set and segment; a category mapping alone does not determine payment.

Official Registry Overview & Definition

Intentional self-harm by explosive material, initial encounter is a billable ICD-10-CM diagnosis code (X75A).

Change history

No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.

Verify Before Coding

  • 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.

Contextual Map

Every relationship of X75.XXXA 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.

Hierarchy

  • V00-Y99 — Chapter 20: External Causes of Morbidity (V00-Y99) (V00-Y99) [Hierarchy]
  • X71-X83 — Intentional self-harm [Hierarchy]

Referenced by Use Additional Code instructions (31)

  • T20.0 — Burn of unspecified degree of head, face, and neck [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T20.1 — Burn of first degree of head, face, and neck [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T20.2 — Burn of second degree of head, face, and neck [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T20.3 — Burn of third degree of head, face, and neck [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T21.0 — Burn of unspecified degree of trunk [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T21.1 — Burn of first degree of trunk [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T21.2 — Burn of second degree of trunk [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • T21.3 — Burn of third degree of trunk [Use Additional Code](via X75.-): “external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)” · check together
  • and 23 more

Clinical classification (CCSR)

  • EXT018 — External cause codes: other specified, classifiable and NEC; initial encounter [CCSR]
  • EXT021 — External cause codes: intent of injury, self-harm [CCSR]
  • MBD012 — Suicidal ideation/attempt/intentional self-harm [CCSR]

Risk adjustment (CMS-HCC)

  • HCC 155 — Major Depression, Moderate or Severe, without Psychosis [CMS-HCC]

Nearest codes

  • X75 — Intentional self-harm by explosive material [Sibling]
  • X75.XXXD — Intentional self-harm by explosive material, subsequent encounter [Sibling]
  • X75.XXXS — Intentional self-harm by explosive material, sequela [Sibling]

Referenced by Other Codes

Clinical classification (AHRQ CCSR):EXT018 — External cause codes: other specified, classifiable and NEC; initial encounter; EXT021 — External cause codes: intent of injury, self-harm; MBD012 — Suicidal ideation/attempt/intentional self-harm.

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

Official ICD-10-CM tabular notes on other codes that name X75.XXXA or its code family.

31 Use Additional Code instructions: T20.0 (via X75.-), T20.1 (via X75.-), T20.2 (via X75.-), T20.3 (via X75.-), T21.0 (via X75.-), T21.1 (via X75.-), T21.2 (via X75.-), T21.3 (via X75.-), T22.0 (via X75.-), T22.1 (via X75.-) and 21 more.

Frequently Asked Questions (FAQ) & Clinical Guidance

Does X75.XXXA require a 7th character?

Yes. The appropriate 7th character is to be added to code X75.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to X75.XXXA in its code family, with their registry titles.

  • X75 — Intentional self-harm by explosive material
  • X75.XXXD — Intentional self-harm by explosive material, subsequent encounter
  • X75.XXXS — Intentional self-harm by explosive material, sequela

View all codes in the X75 family