ICD-10-CM 2027
ICD-10 code for water lack of
From the official ICD-10-CM alphabetic index entry “Lack of › water”. Page updated September 29, 2026.
About coding water lack of
The ICD-10-CM code for water lack of is T73.1 (Deprivation of water). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on T73.1.
Within T73 (effects of other deprivation), T73.1 is specifically for deprivation of water. Related codes cover Starvation (T73.0), exhaustion due to exposure (T73.2), exhaustion due to excessive exertion (T73.3), other effects of deprivation (T73.8) and effect of deprivation, unspecified (T73.9).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
More specific water lack of codes (official index)
Common questions about water lack of ICD-10 codes
What is the ICD-10 code for water lack of?
- T73.1 — Deprivation of water (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: Z58.6, Z59.12.
What is the ICD-10 code for safe drinking water lack of?
- Z58.6 — Inadequate drinking-water supply.
What is the ICD-10 code for services water lack of?
- Z59.12 — Inadequate housing utilities.
Is T73.1 billable?
- No. T73.1 is a header code. Report one of its more specific subcodes instead.