ICD-10-CM 2027 diagnosis code
Z58.81Basic services unavailable in physical environment
Z58.81 is a valid, billable ICD-10-CM code for basic services unavailable in physical environment. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.
Code last changed in FY2023 (effective October 1, 2022). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About Z58.81
Z58.81 is the ICD-10-CM diagnosis code for Basic services unavailable in physical environment. It belongs to category Z58 (problems related to physical environment), block Z55-Z65 (persons with potential health hazards related to socioeconomic and psychosocial circumstances) and chapter 21 (factors influencing health status and contact with health services). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
Within Z58.8 (other problems related to physical environment), Z58.81 is specifically for Basic services unavailable in physical environment. Related codes cover other problems related to physical environment (Z58.89).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 951 (Other Factors Influencing Health Status, relative weight 0.5577), in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.
It is exempt from present-on-admission (POA) reporting, so no POA indicator is required.
It was added in FY2023, effective October 1, 2022.
Coding notes
- Unable to obtain internet service, due to unavailability in geographic area
- Unable to obtain telephone service, due to unavailability in geographic area
- Unable to obtain utilities, due to inadequate physical environment
Notes that apply from higher levels
Instructions written at a parent level also apply to Z58.81.
› From Z58 Problems related to physical environment
- occupational exposure (Z57.-)
Broader instructions also apply from Chapter 21: Factors influencing health status and contact with health services.
Alphabetic index entries
5 entriesTerms in the official ICD-10-CM index that lead to Z58.81.
- Lack of › basic services in physical environment
- Unable to › obtain › basic › services in physical environment
- Unable to › obtain › internet service, due to unavailability in geographic area
- Unable to › obtain › telephone service, due to unavailability in geographic area
- Unable to › obtain › utilities, due to inadequate physical environment
Codes whose notes reference Z58.81
- Z59.12Excludes2
MS-DRG v44.0 grouping
All DRGs →Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.
MDC 23 · Factors Influencing Health Status and Other Contacts with Health Services
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2023 (effective 10/1/2022): Added
- No changes since FY2023.
Common questions about Z58.81
Is Z58.81 billable?
- Yes. Z58.81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Z58.81 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 Z58.81 a CC or MCC?
- No. Z58.81 is neither a CC nor an MCC under MS-DRG v44.0.
What DRG does Z58.81 group to?
- Z58.81 is used in the MS-DRG v44.0 logic for MS-DRG 951 (Other Factors Influencing Health Status). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.