Z58.6

ICD-10Billable

Inadequate drinking-water supply

Official ICD-10-CM descriptor (FY2026)

Inadequate drinking-water supply

Z58.6 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Lack of safe drinking water

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • deprivation of water (T73.1)

Related codes in Z58

Where this code sits

Parent code
Z58

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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