ICD-10-CM 2027
ICD-10 code for Doubled up
From the official ICD-10-CM alphabetic index entry “Doubled up”. Page updated September 29, 2026.
About coding Doubled up
The ICD-10-CM code for Doubled up is Z59.01 (Sheltered homelessness).
Within Z59.0 (homelessness), Z59.01 is specifically for Sheltered homelessness. Related codes cover unspecified (Z59.00) and Unsheltered homelessness (Z59.02).
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.
Common questions about Doubled up ICD-10 codes
What is the ICD-10 code for Doubled up?
- Z59.01 — Sheltered homelessness.
Is Z59.01 billable?
- Yes. Z59.01 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Z59.01 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 Z59.01 a CC or MCC?
- No. Z59.01 is neither a CC nor an MCC under MS-DRG v44.0.