Z13.85Header code — not billable
Encounter for screening for nervous system disorders
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z13
- Effective date
- October 1, 2026
Related codes in category Z13
Z13Encounter for screening for other diseases and disordersZ13.0Encntr screen for dis of the bld/bld-form org/immun mechnsmYesZ13.1Encounter for screening for diabetes mellitusYesZ13.2Encntr screen for nutritional, metabolic and oth endo disordZ13.21Encounter for screening for nutritional disorderYesZ13.22Encounter for screening for metabolic disorderZ13.220Encounter for screening for lipoid disordersYesZ13.228Encounter for screening for other metabolic disordersYesZ13.29Encounter for screening for oth suspected endocrine disorderYesZ13.3Encntr screen exam for mental health and behavrl disordersZ13.30Encntr screen exam for mental hlth and behavrl disord, unspYesZ13.31Encounter for screening for depressionYes
Frequently asked questions
What is ICD-10 code Z13.85?
Z13.85 is an ICD-10-CM diagnosis code for Encounter for screening for nervous system disorders.
Is Z13.85 a billable code?
No. Z13.85 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is Z13.85 in?
Z13.85 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z13.85 become effective?
Z13.85 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z13.85?
Z13.85 belongs to category Z13, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.