Index to Diseases and Injuries
Observation (following) (for) (without need for further medical care)
Index code:Z04.9
- accident NEC Z04.3
- at work Z04.2
- transport Z04.1
- adverse effect of drug Z03.6
- alleged rape or sexual assault (victim) , ruled out
- adult Z04.41
- child Z04.42
- criminal assault Z04.89
- development state
- adolescent Z00.3
- period of rapid growth in childhood Z00.2
- puberty Z00.3
- disease, specified NEC Z03.89
- following work accident Z04.2
- forced sexual exploitation Z04.81
- forced labor exploitation Z04.82
- growth and development state — see Observation, development state
- injuries (accidental) NEC — see also Observation, accident
- newborn (for)
- suspected condition, related to exposure from the mother or birth process — see - Newborn, affected by, maternal
- ruled out Z05.9
- cardiac Z05.0
- connective tissue Z05.73
- gastrointestinal Z05.5
- genetic Z05.41
- genitourinary Z05.6
- immunologic Z05.43
- infectious Z05.1
- metabolic Z05.42
- musculoskeletal Z05.72
- neurological Z05.2
- respiratory Z05.3
- skin and subcutaneous tissue Z05.71
- specified condition NEC Z05.89
- postpartum
- immediately after delivery Z39.0
- routine follow-up Z39.2
- pregnancy (normal) (without complication) Z34.9-
- high risk O09.9-
- suicide attempt, alleged NEC Z03.89
- self-poisoning Z03.6
- suspected, ruled out — see also Suspected condition, ruled out
- abuse, physical
- adult Z04.71
- child Z04.72
- accident at work Z04.2
- adult battering victim Z04.71
- child battering victim Z04.72
- condition NEC Z03.89
- newborn Z05.9 — see also Observation, newborn (for), suspected condition, ruled out
- drug poisoning or adverse effect Z03.6
- exposure (to)
- anthrax Z03.810
- biological agent NEC Z03.818
- inflicted injury NEC Z04.89
- foreign body
- aspirated (inhaled) Z03.822
- ingested Z03.821
- inserted (injected), in (eye) (orifice) (skin) Z03.823
- suicide attempt, alleged Z03.89
- self-poisoning Z03.6
- toxic effects from ingested substance (drug) (poison) Z03.6
- toxic effects from ingested substance (drug) (poison) Z03.6
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Observation?
The ICD-10-CM Alphabetic Index directs "Observation" to Z04.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.