Z68.18 ICD-10-CM Code: Body mass index [BMI] 18.4 or less, adult
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Z68.18Body mass index [BMI] 18.4 or less, adult
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Z68.18 sits
- 1
Chapter 21
Factors influencing health status and contact with health services (Z00-Z99)
- 2
Section
Body mass index [BMI] (Z68)
- 3
Category Z68
Body mass index [BMI]
- 4
Subcategory Z68.1
Body mass index [BMI] 19.9 or less, adult
- 5
Code Z68.18
Body mass index [BMI] 18.4 or less, adult
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Z68.18.
Code first
No “code first” instruction is listed for Z68.18.
Use additional code
No “use additional code” instruction is listed for Z68.18.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Z68.18.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Z68.18.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Z68.18 mean?
Z68.18 is the FY 2027 U.S. ICD-10-CM code for “Body mass index [BMI] 18.4 or less, adult.”
Is Z68.18 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Z68.18 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Z68.18 located in ICD-10-CM?
Z68.18 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Body mass index [BMI] (Z68) (Z68–Z68), under category Z68, Body mass index [BMI] and subcategory Z68.1, Body mass index [BMI] 19.9 or less, adult.
What coding notes are listed for Z68.18?
No inclusion terms are listed for Z68.18 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Keep exploring
Related Z68.1 codes
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