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Z71.1 ICD-10-CM Code: Person with feared health complaint in whom no diagnosis is made

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Coding at a Glance

Tabular directives
3 inclusion terms · 1 Excludes1 · 2 Excludes2

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43, Appendix B.

  • MS-DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS (MDC 23)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for Z71.1 in the official ICD-10-CM tabular list, quoted as published.

Notes without a marker are published on Z71.1 itself; “inherited from” names the category or block whose note applies here.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Person encountering health services with feared condition which was not demonstrated
  • Person encountering health services in which problem was normal state
  • 'Worried well'

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Source: inherited from Z71

Coder workflow for Z71.1

MedCoder structured workflow — derived from this code’s own official record

Before you code Z71.1

  1. Z71.1’s title joins a condition with an associated condition or complication. Confirm each component is documented. Where the classification presumes the link through the “with” convention, only a provider statement that the conditions are unrelated defeats it. A combination code is assigned only when it fully identifies the documented conditions; a required second code for the stage, type or manifestation is still reported when the notes ask for it (Guidelines I.B.9, I.A.15).

    Guide: Combination codes →

  2. Confirm the reason for the encounter this Z code records: the circumstance it records. Check whether the code may be reported as first-listed or principal — some Z codes are limited to one position — and do not report a history or status code for a condition documented as current. Z code categories and their reporting positions (Guidelines I.C.21.c, I.C.21.c.15).

    Guide: Z codes as principal or first-listed diagnosis →

  3. Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with Z71.1. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).

    See the official tabular notes

Choose the right path

  1. Does the documentation support a condition named in Z71.1’s Excludes1 note?
    Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
    No → Continue.

    ReviewZ03

Consider Z71.1. Then confirm the code is valid for the date of service in the Verify section.

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
The associated condition or complication
Whether the associated condition the title names is documented; the “with” convention presumes some links, and a provider statement that the conditions are unrelated defeats it (Guidelines I.A.15).
The reason for the encounter
Whether the code records the encounter’s purpose, a status, or a history — and whether it may be first-listed (Guidelines I.C.21.c).

Official instructions as workflow

  • Excludes1 — check before selecting Z71.1(1 note)

    Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with Z71.1: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.

    CompareZ03

    See the official tabular notes · Guidelines I.A.12.a

  • Excludes2 — not part of Z71.1(2 notes)

    Coding workflow: The conditions named in this note are not included in Z71.1. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareZ70

    See the official tabular notes · Guidelines I.A.12.b

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Documentation: Both the condition Z71.1 describes and a condition named in its Excludes1 note are documented for the same encounter.

Coding question: Can both codes be reported?

Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.

Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).

ReviewZ03

Documentation: Only one of the components this code’s title joins is documented.

Coding question: Is Z71.1 supported?

Path: Review the code for the documented component on its own.

Reason: A combination code is assigned only when it fully identifies the documented conditions; otherwise the documented component takes its own code (Guidelines I.B.9).

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Code Overview

Person with feared health complaint in whom no diagnosis is made is a billable ICD-10-CM diagnosis code (Z71.1).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Indexed Clinical Terms (5)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

Official Coding Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Verbatim excerpts from the ICD-10-CM Official Guidelines for Coding and Reporting (CMS/NCHS) that govern this code.

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

The counseling Z codes/categories: Z30.0- Encounter for general counseling and advice on contraception Z31.5 Encounter for procreative genetic counseling Z31.6- Encounter for general counseling and advice on procreation Z32.2 Encounter for childbirth instruction Z32.3 Encounter for childcare instruction Z69 Encounter for mental health services for victim and perpetrator of abuse Z70 Counseling related to sexual attitude, behavior and orientation Z71 Persons encountering health services for other counseling and medical advice, not elsewhere classified Note: Code Z71.84, Encounter for health counseling related to travel, is to be used for health risk and safety counseling for future travel purposes.

Verify Before Coding

  • Principal-diagnosis restriction. The Medicare Code Editor lists this code as unacceptable as a principal diagnosis: it describes a circumstance influencing health status rather than a current illness or injury being treated. It is valid as a secondary diagnosis.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

Other codes that name Z71.1 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Excludes1 note: Z03 — Encounter for medical observation for suspected diseases and conditions ruled out.

These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.

Named in the grouper logic of 1 MS-DRG: DRG 951 (MDC 23).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):FAC025 — Other specified status (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Principal diagnosis restriction (Medicare Code Editor)

Not acceptable as a principal diagnosis on an inpatient claim.

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Other specified status).

Z68.23 — Body mass index [BMI] 23.0-23.9, adult, Z68.24 — Body mass index [BMI] 24.0-24.9, adult, Z68.25 — Body mass index [BMI] 25.0-25.9, adult, Z68.26 — Body mass index [BMI] 26.0-26.9, adult, Z68.27 — Body mass index [BMI] 27.0-27.9, adult, Z68.28 — Body mass index [BMI] 28.0-28.9, adult, Z68.29 — Body mass index [BMI] 29.0-29.9, adult, Z68.51 — Body mass index [BMI] pediatric, less than 5th percentile for age, Z68.52 — Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age, Z68.53 — Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age, Z71.2 — Person consulting for explanation of examination or test findings, Z74.01 — Bed confinement status, Z74.09 — Other reduced mobility, Z74.1 — Need for assistance with personal care, Z74.2 — Need for assistance at home and no other household member able to render care, Z74.3 — Need for continuous supervision, Z74.8 — Other problems related to care provider dependency, Z74.9 — Problem related to care provider dependency, unspecified, Z75.0 — Medical services not available in home, Z75.1 — Person awaiting admission to adequate facility elsewhere, +232 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main terms “Problem”, “Counseling”; these codes share that main term but sit in a different category of the Tabular List.

Z69.11 — Encounter for mental health services for victim of spousal or partner abuse (spousal abuse, victim), Z69.12 — Encounter for mental health services for perpetrator of spousal or partner abuse (spousal abuse), Z69.81 — Encounter for mental health services for victim of other abuse (rape victim), Z69.82 — Encounter for mental health services for perpetrator of other abuse (perpetrator, rape NEC), Z70.0 — Counseling related to sexual attitude (sex, sexual, attitude), Z70.1 — Counseling related to patient's sexual behavior and orientation (impotence), Z70.2 — Counseling related to sexual behavior and orientation of third party (sex, sexual, on behalf of third party), Z70.3 — Counseling related to combined concerns regarding sexual attitude, behavior and orientation (sex, sexual, combined concerns), Z70.8 — Other sex counseling (sex, sexual, specified reason NEC), Z70.9 — Sex counseling, unspecified (sex, sexual), Z72.0 — Tobacco use (life-style, tobacco use), Z72.4 — Inappropriate diet and eating habits (life-style, inappropriate eating habits), Z72.51 — High risk heterosexual behavior (life-style, high-risk sexual behavior), Z72.52 — High risk homosexual behavior (life-style, high-risk sexual behavior, homosexual), Z72.53 — High risk bisexual behavior (life-style, high-risk sexual behavior, bisexual), Z72.6 — Gambling and betting (life-style, gambling), Z72.89 — Other problems related to lifestyle (life-style, specified NEC), Z72.9 — Problem related to lifestyle, unspecified (life-style), Z73.89 — Other problems related to life management difficulty (life-management, specified NEC), Z73.9 — Problem related to life management difficulty, unspecified (life-management), +110 more

Contextual Map

Every relationship of Z71.1 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run Z71.1 with this related code in Claim Check

Hierarchy

Excludes1

Referenced by Excludes1 notes

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 23 — Factors Influencing Health Status and Other Contacts with Health Services[MDC crossing]: “Factors Influencing Health Status and Other Contacts with Health Services — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 1,235 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2026

Index entries

  • Consultation, without complaint or sickness, feared complaint unfounded[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Counseling (for), medical (for), feared complaint and no disease found[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Feared complaint unfounded[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Problem (with) (related to), none (feared complaint unfounded)[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Worried well[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026

Nearest codes (22)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
Coding guidelines Official source data
ICD-10-CM Official Guidelines for Coding and Reporting (FY2026), quoted by section Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43 Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder structured relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Person with feared health complaint in whom no diagnosis is made

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z71.1 in its code family, with their registry titles.

View all codes in the Z71 family