2026 ICD-10-CM Diagnosis Code Z73.3Stress, not elsewhere classified
Z73.3 is a billable ICD-10-CM diagnosis code for stress, not elsewhere classified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Lifestyle/life management factors.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for Z73.3.
Present on Admission (POA)Billing
Z73.3 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Caregiver role strain
- Coping stress tolerance finding
- Decreased level of relocation stress
- Decreased level of spiritual stress
- Decreased stress
- Difficulty managing stress
- Disturbance in life pattern
- Emotional stress
- Feeling stressed
- High perceived stress
- Increased stress
- Low perceived stress
- Parenting stress
- Physical stress
- Relocation stress syndrome
- Social adjustment
- Stress
- Stress overload
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Physical and mental strain NOS
Type 1 Excludes
- stress related to employment or unemployment Z56
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
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.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Reaction - See Also: Disorder;
- post-traumatic stress, uncomplicated - Z73.3
- Strain
- mental NOS - Z73.3
- physical NOS - Z73.3
- psychological NEC - Z73.3
- mental NEC - Z73.3
- physical NEC - Z73.3
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Reaction
- post-traumatic stress, uncomplicated
- Strain
- mental NOS
- Strain
- physical NOS
- Strain
- psychological NEC
- Stress
- mental NEC
- Stress
- physical NEC
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Social Adjustment
adaptation of the person to the social environment. adjustment may take place by adapting the self to the environment or by changing the environment. (from campbell, psychiatric dictionary, 1996).
Patient EducationClinical
Stress
Stress is how your brain and body respond to a challenge or demand. When you are stressed, your body releases certain hormones. Hormones are chemicals that travel in your bloodstream and control how different parts of your body work. The hormones that are released when you are stressed make you alert and ready to act.
The full article covers:
- What is stress?
- What causes long-term stress?
- How can long term-stress harm my health?
- How can I manage long-term stress?
- When should I ask my health care provider for help with stress?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert Z73.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Z73.3Overview
Is Z73.3 (Problems related to life management difficulty) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report stress, not elsewhere classified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Can Z73.3 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because stress, not elsewhere classified describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
Is Z73.3 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for stress, not elsewhere classified on inpatient claims.
What is the ICD-9 equivalent of Z73.3?
Under the General Equivalence Mappings, stress, not elsewhere classified converts to ICD-9-CM V69.8 (oth prblms rltd lfstyle). The mapping is approximate, so confirm the match fits the documentation.
