Resources
SDOH Z-codes for home-care referrals
ICD-10 Z55 to Z65 are the structured social-determinant codes available to every clinician. Documenting them turns a soft note into searchable, reportable, billable data and lets the receiving home-care service tailor the response. This is a working reference for the most common codes ED teams encounter, with the home-based response type and a documentation snippet for the discharge note.
How to use this
- Identify the social need during the ED encounter, by structured screen (AHC-HRSN, PRAPARE) or direct conversation.
- Pick the most specific Z-code that fits. Specificity matters for downstream analytics and for choosing the right home-based response.
- Document the code in the encounter problem list or as a secondary diagnosis on the visit, not only in free text.
- Place the matching referral. The home-response column below is a starting point for what to order; your program may have its own resource catalog.
- Capture the outcome on the receiving end so the loop closes (see the closed-loop referral anatomy reference below).
Domains in this reference
| Code | Label | Domain | Home-based response | Documentation snippet |
|---|---|---|---|---|
| Z55.0 | Illiteracy and low-level literacy | Education | Health-literacy-adapted home visit with discharge instructions reviewed in person; pictogram medication labels. | “Patient endorsed difficulty reading written instructions. Z55.0 documented. Home visit ordered with health-literacy-adapted teach-back; pictogram medication labels arranged.” |
| Z56.0 | Unemployment, unspecified | Employment | Community-based organization referral for employment services; warm handoff coordinated rather than handout-only. | “Patient currently unemployed, reports financial strain affecting medication adherence. Z56.0 documented. Referral placed to community workforce program; community health worker home visit scheduled within 7 days.” |
| Z59.0 | Homelessness | Housing | Care management with shelter and housing navigation; not a candidate for hospital-at-home until stable address; bridge medications and follow-up plan in place. | “Patient experiencing homelessness, no stable address. Z59.0 documented. Bridge medications dispensed. Care management consulted; housing navigation initiated. Follow-up coordinated through shelter health program.” |
| Z59.1 | Inadequate housing | Housing | Housing-condition-aware home visit (e.g., assess for mold, lead, unsafe heating); coordinate with public health where indicated. | “Patient reports unsafe housing conditions affecting respiratory symptoms. Z59.1 documented. Home visit ordered for environmental assessment alongside clinical follow-up.” |
| Z59.41 | Food insecurity | Food | Medically tailored meal program enrollment, food bank referral, or grocery delivery dispatch coordinated with home visit. | “Patient endorsed positive AHC-HRSN food insecurity items. Z59.41 documented. Referral placed to medically tailored meals program; first delivery coordinated with home health intake visit.” |
| Z59.7 | Insufficient social insurance and welfare support | Financial | Care management consult for benefits navigation; pharmacy assistance program enrollment; home visit if medication adherence is the immediate risk. | “Patient unable to afford prescribed medications. Z59.7 documented. Pharmacy assistance program enrollment initiated; home visit scheduled to reconcile medications and confirm receipt.” |
| Z59.82 | Transportation insecurity | Transportation | Home visit replaces or supplements clinic follow-up; non-emergency medical transportation arranged for visits that must be in clinic. | “Patient reports unreliable transportation to clinic. Z59.82 documented. Home-based follow-up scheduled in lieu of in-clinic visit; NEMT arranged for required imaging.” |
| Z60.2 | Problems related to living alone | Social isolation | Home visit with social work component; community health worker check-ins; consider referral to senior services or peer-support program. | “Patient lives alone, limited social support, recovery period exceeds 7 days. Z60.2 documented. Home visit with RN and social work scheduled; community health worker check-in calls coordinated.” |
| Z62.819 | Personal history of unspecified abuse in childhood | Adverse childhood experiences | Trauma-informed home visit; warm handoff to behavioral health; home visit clinician briefed on trauma history before encounter. | “Patient disclosed history relevant to trauma-informed care. Z62.819 documented. Home visit clinician briefed; behavioral health referral placed; trauma-informed care plan attached.” |
| Z63.4 | Disappearance and death of family member | Bereavement | Bereavement-aware home visit; behavioral health screening; medication reconciliation given disrupted routines. | “Patient bereaved within last 6 months, presenting with somatic complaints. Z63.4 documented. Home visit scheduled with bereavement-aware approach; behavioral health follow-up coordinated.” |
| Z65.1 | Imprisonment and other incarceration | Justice involvement | Re-entry care coordination; home visit if recently released and continuity of care is the primary risk; medication continuity prioritized. | “Patient recently released, no established primary care, on chronic medications. Z65.1 documented. Re-entry care coordination initiated; home visit scheduled to bridge to primary care.” |
| Z65.8 | Other specified problems related to psychosocial circumstances | Other psychosocial | Use when no more specific Z-code fits. Document the specific circumstance in the note. Home visit if it materially affects the discharge plan. | “Patient reports [specific psychosocial stressor] affecting recovery plan. Z65.8 documented. Home visit ordered to reinforce discharge plan and assess social context.” |
This is a working reference, not a complete list. The full ICD-10-CM Z55 to Z65 hierarchy includes additional sub-codes; consult the current CMS guidance for the codes specific to your documentation. Snippets are templates and should be edited to reflect the actual encounter.
Why coding the Z is worth it
A Z-code in the structured record is the difference between a social need that exists and a social need that the rest of the system can see. Without the code, the next clinician, the population health dashboard, the quality reporting submission, and the receiving home-care service are all flying blind on the same patient.
Z-codes also matter for the research case. Population-scale studies of SDOH-driven outcomes from the ED depend on structured data. The published literature on referral completion rates after ED-based screening remains limited in part because much of the social context lives only in free text, where it is invisible to claims-based and registry-based research.
Documentation does not solve the underlying social need. It does make the next intervention possible.
Further reading
Building the home-care side of the response?
Capillary Health dispatches the visits that turn a positive screen into a connected service.