ICD-10-CM 2027
ICD-10 code for Safe drinking water lack of
From the official ICD-10-CM alphabetic index entry “Lack of › safe drinking water”. Page updated September 29, 2026.
About coding Safe drinking water lack of
The ICD-10-CM code for Safe drinking water lack of is Z58.6 (Inadequate drinking-water supply).
Within Z58 (problems related to physical environment), Z58.6 is specifically for inadequate drinking-water supply. Related codes cover other problems related to physical environment (Z58.8).
The conditions in its Excludes2 note aren't part of Z58.6, but may be coded alongside it if the patient has both: deprivation of water (T73.1).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about Safe drinking water lack of ICD-10 codes
What is the ICD-10 code for Safe drinking water lack of?
- Z58.6 — Inadequate drinking-water supply.
Is Z58.6 billable?
- Yes. Z58.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Z58.6 be used as a principal diagnosis?
- No. It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.
Is Z58.6 a CC or MCC?
- No. Z58.6 is neither a CC nor an MCC under MS-DRG v44.0.