ICD-10-CM Code Y93.9

Activity, unspecified

Version 2020 Replaced Code Billable Code POA Exempt

Valid for Submission

Y93.9 is a billable code used to specify a medical diagnosis of activity, unspecified. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Y93.9 might also be used to specify conditions or terms like accident while engaged in household activity. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

Short Description:Activity, unspecified
Long Description:Activity, unspecified

Replaced Code

This code was replaced in the 2020 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2019. This code was replaced for the FY 2020 (October 1, 2019 - September 30, 2020).

  • X50.0XXA - Overexertion from strenuous movement or load, init
  • X50.0XXD - Overexertion from strenuous movement or load, subs
  • X50.0XXS - Overexertion from strenuous movement or load, sequela
  • X50.1XXA - Overexertion from prolonged static or awkward postures, init
  • X50.1XXD - Overexertion from prolonged static or awkward postures, subs
  • X50.1XXS - Overexertion from prolonged static or awkward postures, sqla
  • X50.3XXA - Overexertion from repetitive movements, initial encounter
  • X50.3XXD - Overexertion from repetitive movements, subsequent encounter
  • X50.3XXS - Overexertion from repetitive movements, sequela
  • X50.9XXA - Other and unspecified ovrexrtn or strnous move/pstr, init
  • X50.9XXD - Other and unspecified ovrexrtn or strnous move/pstr, subs
  • X50.9XXS - Other and unspecified ovrexrtn or strnous move/pstr, sequela

Index of External Cause of Injuries

References found for the code Y93.9 in the External Cause of Injuries Index:

    • Activity(involving) (of victim at time of event)


The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Accident while engaged in household activity

Clinical Information

  • RETURN TO SPORT-. resumption of sporting activity following a hiatus or period of absence due to injury or other reasons.
  • FITNESS TRACKERS-. devices used for measuring physical activity as an indication of health status.
  • ACTIVITIES OF DAILY LIVING-. the performance of the basic activities of self care such as dressing ambulation or eating.
  • ACTIVITY CYCLES-. bouts of physical irritability or movement alternating with periods of quiescence. it includes biochemical activity and hormonal activity which may be cellular. these cycles are shorter than 24 hours and include sleep wakefulness cycles and the periodic activation of the digestive system.
  • AMBULATORY CARE FACILITIES-. those facilities which administer health services to individuals who do not require hospitalization or institutionalization.
  • BLOOD BACTERICIDAL ACTIVITY-. the natural bactericidal property of blood due to normally occurring antibacterial substances such as beta lysin leukin etc. this activity needs to be distinguished from the bactericidal activity contained in a patient's serum as a result of antimicrobial therapy which is measured by a serum bactericidal test.
  • DELIVERY OF HEALTH CARE-. the concept concerned with all aspects of providing and distributing health services to a patient population.
  • EDUCATION-. acquisition of knowledge as a result of instruction in a formal course of study.
  • FINANCIAL MANAGEMENT-. the obtaining and management of funds for institutional needs and responsibility for fiscal affairs.
  • HIGHER NERVOUS ACTIVITY-. a term used in eastern european research literature on brain and behavior physiology for cortical functions. it refers to the highest level of integrative function of the brain centered in the cerebral cortex regulating language thought and behavior via sensory motor and cognitive processes.
  • HUMAN ACTIVITIES-. activities performed by humans.
  • LEISURE ACTIVITIES-. voluntary use of free time for activities outside the daily routine.
  • LOCOMOTION-. movement or the ability to move from one place or another. it can refer to humans vertebrate or invertebrate animals and microorganisms.
  • MOTOR ACTIVITY-. body movements of a human or an animal as a behavioral phenomenon.
  • NITROGEN FIXATION-. the process in certain bacteria; fungi; and cyanobacteria converting free atmospheric nitrogen to biologically usable forms of nitrogen such as ammonia; nitrates; and amino compounds.
  • NONSUPPRESSIBLE INSULIN LIKE ACTIVITY-. a blood protein nsila which mimics the biological activity of insulin in serum but is not suppressed by insulin antibodies. during acid ethanol extraction of cohn fraction iii 10% of the activity is found in the supernatant nsila s and the remaining activity in the precipitate nsila p. the latter is a large molecular compound much less stable than the soluble fraction. nsila s is a more potent growth factor than insulin and exhibits sulfation activity.
  • OPTICAL ROTATION-. the rotation of linearly polarized light as it passes through various media.
  • PERSONNEL SELECTION-. the process of choosing employees for specific types of employment. the concept includes recruitment.
  • POLITICS-. activities concerned with governmental policies functions etc.
  • RESEARCH-. critical and exhaustive investigation or experimentation having for its aim the discovery of new facts and their correct interpretation the revision of accepted conclusions theories or laws in the light of newly discovered facts or the practical application of such new or revised conclusions theories or laws. webster 3d ed
  • SEXUAL BEHAVIOR-. sexual activities of humans.
  • THROMBOPLASTIN-. constituent composed of protein and phospholipid that is widely distributed in many tissues. it serves as a cofactor with factor viia to activate factor x in the extrinsic pathway of blood coagulation.
  • EXERCISE-. physical activity which is usually regular and done with the intention of improving or maintaining physical fitness or health. contrast with physical exertion which is concerned largely with the physiologic and metabolic response to energy expenditure.
  • EXTRAVEHICULAR ACTIVITY-. activities by crew members conducted outside the pressurized hull of a spacecraft.
  • SOLAR ACTIVITY-. any type of variation in the appearance of energy output of the sun. nasa thesaurus 1994
  • LYSHOLM KNEE SCORE-. an instrument used to assess the results of rehabilitation from knee injuries especially those requiring anterior cruciate ligament reconstruction. it measures recovery of knee joint function based on activities of daily living.

Present on Admission (POA)

Y93.9 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here .

CMS POA Indicator Options and Definitions
POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Convert Y93.9 to ICD-9

Code Classification

  • External causes of morbidity and mortality (V01–Y98)
    • Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99)
      • Activity codes (Y93)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020