This code system https://fhir.nottinghamshire.gov.uk/STU3/codesystem/CDS-SocialCareSupportReason defines the following codes:

LvlCodeDisplay
1salt-support-reasonSALT Support Reason
2  learning-disabilityLearning Disability Support
2  mental-healthMental Health Support
2  physicalPhysical Support
3    access-mobilityAccess and mobility only
3    personal-carePersonal care support
2  sensorySensory Support
3    visual-impairmentSupport for visual impairment
3    hearing-impairmentSupport for hearing impairment
3    dual-impairmentSupport for dual impairment
2  socialSocial Support
3    substance-misuseSubstance misuse support
3    asylum-seekerAsylum seeker support
3    social-isolationSupport for Social Isolation / Other
2  memory-cognitionSupport with Memory and Cognition