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F17.209 vs Z87.891

F17.209 (Nicotine dependence, unspecified, with unspecified nicotine-induced disorders) compared with Z87.891 (Personal history of nicotine dependence), from the official CMS tabular data.

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources

Summary

These codes should not be reported together because F17.209’s tabular entry lists Z87.891 under Excludes1.

Official rule
What is different?

The conditions named and chapter.F17.209 is “Nicotine dependence, unspecified, with unspecified nicotine-induced disorders”; Z87.891 is “Personal history of nicotine dependence”. F17.209 sits in F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99); Z87.891 in Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Registry fact

Can these codes be reported together?

No.F17.209’s entry carries an Excludes1 note covering Z87.891: “history of tobacco dependence (Z87.891)”. Both may be reported only when the documentation shows the two conditions are unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Official ruleGuide: Excludes1 vs Excludes2

Is there an Excludes1 relationship?

Yes.F17.209’s tabular entry: “history of tobacco dependence (Z87.891)”. The note covers Z87.891.

Official ruleGuide: Excludes1 vs Excludes2

Nothing found in 4 other checks; 1 check does not apply
Is there an Excludes2 relationship?

None.Neither entry carries an Excludes2 note that names the other code. F17.209 carries 2 Excludes2 notes and Z87.891 carries 1 Excludes2 note covering other codes; the side-by-side table quotes them.

Official rule

Is one more specific?

Not comparable.The codes sit in different categories; specificity is only comparable within one category.

Is one a parent or header code?

No.Both are billable codes, and neither contains the other.

Registry fact

Are there sequencing instructions?

None.Neither entry carries a Code First or Use Additional Code note that names the other.

Official rule

Are there other coding relationships?

None found.No laterality, encounter-phase, Table of Neoplasms, Table of Drugs and Chemicals, or history-versus-active-disease relationship links these codes.

MedCoder-derived

Official rule: a tabular instructional note or a section of the ICD-10-CM Official Guidelines, quoted as published. Registry fact: the codes’ own published attributes (titles, billable status, position in the hierarchy, code set). MedCoder-derived: a reading MedCoder computes from those facts; it is not itself a rule. How to read the labels

Can these codes be reported together?

Excludes1 — generally not reported together

Excludes1 conflict

F17.209
Nicotine dependence, unspecified, with unspecified nicotine-induced disorders
↔
Z87.891
Personal history of nicotine dependence

What we found

No — do not report together.F17.209 carries an Excludes1 note covering Z87.891: “history of tobacco dependence (Z87.891)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

What to review

Report one of the two. Both may be reported only when the documentation shows the two conditions are unrelated to each other.

Guide: Excludes1 vs Excludes2Check these on a claim

Why it matters

An Excludes1 note means the two conditions are not ordinarily reported together for the same encounter, because the classification treats them as mutually exclusive forms of the same condition. The documented exception is when the two conditions are unrelated to each other.

Source / rule

CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Official guidance behind these answers

  • Section I.A.12.a — Excludes1 · applies to: Excludes1

    A type 1 Excludes note is a pure excludes note. It means “NOT CODED HERE!” An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition. An exception to the Excludes1 definition is the circumstance when the two conditions are unrelated to each other. If it is not clear whether the two conditions involving an Excludes1 note are related or not, query the provider. For example, code F45.8, Other somatoform disorders, has an Excludes1 note for "sleep related teeth grinding (G47.63)," because "teeth grinding" is an inclusion term under F45.8. Only one of these two codes should be assigned for teeth grinding. However psychogenic dysmenorrhea is also an inclusion term under F45.8, and a patient could have both this condition and sleep related teeth grinding. In this case, the two conditions are clearly unrelated to each other, and so it would be appropriate to report F45.8 and G47.63 together.

    ICD-10-CM Official Guidelines FY2027

Quoted from the ICD-10-CM Official Guidelines for Coding and Reporting in effect for the release shown. The tabular notes above are the code-level instruction; these sections are the convention that says how such a note is applied. Source document (CMS PDF) · Release and checksum

Side by side

Similar descriptions do not make codes interchangeable. The documentation and the official instructions decide which code applies.

Official descriptionDiffers
F17.209

Nicotine dependence, unspecified, with unspecified nicotine-induced disorders

Z87.891

Personal history of nicotine dependence

StatusSame for both
Billable
Excludes1Differs
F17.209
  • history of tobacco dependence (Z87.891)
  • tobacco use NOS (Z72.0)
Z87.891
  • current nicotine dependence (F17.2-)
Excludes2Differs
F17.209
  • tobacco use (smoking) during pregnancy, childbirth and the puerperium (O99.33-)
  • toxic effect of nicotine (T65.2-)
Z87.891
  • personal history of self harm (Z91.5-)
Code firstDiffers
F17.209

None at this code

Z87.891
  • any follow-up examination after treatment (Z09)
Code alsoDiffers
F17.209

None at this code

Z87.891
  • any follow-up examination (Z08-Z09)
CategoryDiffers
F17.209

F17 Nicotine dependence

Z87.891

Z87 Personal history of other diseases and conditions

ChapterDiffers
F17.209

F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99)

Z87.891

Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)

No Use additional code, Includes and 7th character note at either code.

Notes are the code’s own tabular entry, quoted as published. A note that names the other code is the one the verdict above rests on. In a row that differs, each code’s own notes are listed under it, and the notes every code shares are listed once beneath them.

Derived from the official CMS ICD-10-CM tabular data (FY2027). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources