ICD-10 · PDGM grouping
Z00-Z13 — Persons encountering health services for examinations
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in range
156
No clinical group
155
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
1 of the 156 codes in Z00-Z13 group to MMTA - Other. A further 155 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in Z00-Z13
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- Z00Encounter for general examination without complaint, suspected or reported diagnosis13 codes
- Z01Encounter for other special examination without complaint, suspected or reported diagnosis23 codes
- Z02Encounter for administrative examination15 codes
- Z03Encounter for medical observation for suspected diseases and conditions ruled out14 codes
- Z04Encounter for examination and observation for other reasons12 codes
- Z05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out15 codes
- Z08Encounter for follow-up examination after completed treatment for malignant neoplasm1 code
- Z09Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm1 code
- Z11Encounter for screening for infectious and parasitic diseases12 codes
- Z12Encounter for screening for malignant neoplasms20 codes
- Z13Encounter for screening for other diseases and disorders30 codes
Every code in Z00-Z13
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| Z0000 | Encntr for general adult medical exam w/o abnormal findings | None | Cannot lead a claim |
| Z0001 | Encounter for general adult medical exam w abnormal findings | None | Cannot lead a claim |
| Z00110 | Health examination for newborn under 8 days old | None | Cannot lead a claim |
| Z00111 | Health examination for newborn 8 to 28 days old | None | Cannot lead a claim |
| Z00121 | Encounter for routine child health exam w abnormal findings | None | Cannot lead a claim |
| Z00129 | Encntr for routine child health exam w/o abnormal findings | None | Cannot lead a claim |
| Z002 | Encounter for exam for period of rapid growth in childhood | None | Cannot lead a claim |
| Z003 | Encounter for examination for adolescent development state | None | Cannot lead a claim |
| Z005 | Encounter for exam of potential donor of organ and tissue | None | Cannot lead a claim |
| Z006 | Encntr for exam for nrml cmprsn and ctrl in clncl rsrch prog | None | Cannot lead a claim |
| Z0070 | Encntr for exam for delay growth in chldhd w/o abn findings | None | Cannot lead a claim |
| Z0071 | Encntr for exam for delay growth in chldhd w abn findings | None | Cannot lead a claim |
| Z008 | Encounter for other general examination | None | Cannot lead a claim |
| Z0100 | Encounter for exam of eyes and vision w/o abnormal findings | None | Cannot lead a claim |
| Z0101 | Encounter for exam of eyes and vision w abnormal findings | None | Cannot lead a claim |
| Z01020 | Enctr for ex of eyes and vis fol fail vis scrn w/o abn find | None | Cannot lead a claim |
| Z01021 | Enctr for exam of eyes and vis fol fail vis scrn wbn find | None | Cannot lead a claim |
| Z0110 | Encounter for exam of ears and hearing w/o abnormal findings | None | Cannot lead a claim |
| Z01110 | Encounter for hearing exam following failed hear screening | None | Cannot lead a claim |
| Z01118 | Encntr for exam of ears and hearing w oth abnormal findings | None | Cannot lead a claim |
| Z0112 | Encounter for hearing conservation and treatment | None | Cannot lead a claim |
| Z0120 | Encounter for dental exam and cleaning w/o abnormal findings | None | Cannot lead a claim |
| Z0121 | Encounter for dental exam and cleaning w abnormal findings | None | Cannot lead a claim |
| Z0130 | Encounter for exam of blood pressure w/o abnormal findings | None | Cannot lead a claim |
| Z0131 | Encounter for exam of blood pressure w abnormal findings | None | Cannot lead a claim |
| Z01411 | Encntr for gyn exam (general) (routine) w abnormal findings | None | Cannot lead a claim |
| Z01419 | Encntr for gyn exam (general) (routine) w/o abn findings | None | Cannot lead a claim |
| Z0142 | Encntr for cerv smear to cnfrm norm smr fol init abn smear | None | Cannot lead a claim |
| Z01810 | Encounter for preprocedural cardiovascular examination | None | Cannot lead a claim |
| Z01811 | Encounter for preprocedural respiratory examination | None | Cannot lead a claim |
| Z01812 | Encounter for preprocedural laboratory examination | None | Cannot lead a claim |
| Z01818 | Encounter for other preprocedural examination | None | Cannot lead a claim |
| Z0182 | Encounter for allergy testing | None | Cannot lead a claim |
| Z0183 | Encounter for blood typing | None | Cannot lead a claim |
| Z0184 | Encounter for antibody response examination | None | Cannot lead a claim |
| Z0189 | Encounter for other specified special examinations | None | Cannot lead a claim |
| Z020 | Encounter for exam for admission to educational institution | None | Cannot lead a claim |
| Z021 | Encounter for pre-employment examination | None | Cannot lead a claim |
| Z022 | Encounter for exam for admission to residential institution | None | Cannot lead a claim |
| Z023 | Encounter for examination for recruitment to armed forces | None | Cannot lead a claim |
| Z024 | Encounter for examination for driving license | None | Cannot lead a claim |
| Z025 | Encounter for examination for participation in sport | None | Cannot lead a claim |
| Z026 | Encounter for examination for insurance purposes | None | Cannot lead a claim |
| Z0271 | Encounter for disability determination | None | Cannot lead a claim |
| Z0279 | Encounter for issue of other medical certificate | None | Cannot lead a claim |
| Z0281 | Encounter for paternity testing | None | Cannot lead a claim |
| Z0282 | Encounter for adoption services | None | Cannot lead a claim |
| Z0283 | Encounter for blood-alcohol and blood-drug test | None | Cannot lead a claim |
| Z0284 | Encounter for child welfare exam | None | Cannot lead a claim |
| Z0289 | Encounter for other administrative examinations | None | Cannot lead a claim |
| Z029 | Encounter for administrative examinations, unspecified | None | Cannot lead a claim |
| Z036 | Encntr for obs for susp toxic eff from ingest sub ruled out | None | Cannot lead a claim |
| Z0371 | Encntr for susp prob w amnio cavity and membrane ruled out | None | Cannot lead a claim |
| Z0372 | Encounter for suspected placental problem ruled out | None | Cannot lead a claim |
| Z0373 | Encounter for suspected fetal anomaly ruled out | None | Cannot lead a claim |
| Z0374 | Encounter for suspected problem with fetal growth ruled out | None | Cannot lead a claim |
| Z0375 | Encounter for suspected cervical shortening ruled out | None | Cannot lead a claim |
| Z0379 | Encntr for oth suspected maternal and fetal cond ruled out | None | Cannot lead a claim |
| Z03810 | Encntr for obs for suspected exposure to anthrax ruled out | None | Cannot lead a claim |
| Z03818 | Encntr for obs for susp expsr to oth biolg agents ruled out | None | Cannot lead a claim |
| Z03821 | Enctr for observation for suspected ingested fb ruled out | None | Cannot lead a claim |
| Z03822 | Enctr for obs for suspected aspirated (inhaled) fb ruled out | None | Cannot lead a claim |
| Z03823 | Enctr for obs for suspected inserted (injected) fb ruled out | None | Cannot lead a claim |
| Z0383 | Enctr for obs for susp cond rel to home physio mon dev R/O | None | Cannot lead a claim |
| Z0389 | Encntr for obs for oth suspected diseases and cond ruled out | None | Cannot lead a claim |
| Z041 | Encounter for exam and obs following transport accident | None | Cannot lead a claim |
| Z042 | Encounter for exam and observation following work accident | None | Cannot lead a claim |
| Z043 | Encounter for exam and observation following oth accident | None | Cannot lead a claim |
| Z0441 | Encounter for exam and obs following alleged adult rape | None | Cannot lead a claim |
| Z0442 | Encounter for exam and obs following alleged child rape | None | Cannot lead a claim |
| Z046 | Encntr for general psychiatric exam, requested by authority | None | Cannot lead a claim |
| Z0471 | Encntr for exam and obs fol alleged adult physical abuse | None | Cannot lead a claim |
| Z0472 | Encntr for exam and obs fol alleged child physical abuse | None | Cannot lead a claim |
| Z0481 | Enctr for exam and obs of victim fol forced sex exploitation | None | Cannot lead a claim |
| Z0482 | Enctr for exam and obs of vctm fol forced labor exploitation | None | Cannot lead a claim |
| Z0489 | Encounter for examination and observation for oth reasons | None | Cannot lead a claim |
| Z049 | Encounter for examination and observation for unsp reason | None | Cannot lead a claim |
| Z050 | Obs & eval of NB for suspected cardiac condition ruled out | None | Cannot lead a claim |
| Z051 | Obs & eval of NB for suspected infect condition ruled out | None | Cannot lead a claim |
| Z052 | Obs & eval of NB for suspected neuro condition ruled out | None | Cannot lead a claim |
| Z053 | Obs & eval of NB for suspected resp condition ruled out | None | Cannot lead a claim |
| Z0541 | Obs & eval of NB for suspected genetic condition ruled out | None | Cannot lead a claim |
| Z0542 | Obs & eval of NB for suspected metabolic condition ruled out | None | Cannot lead a claim |
| Z0543 | Obs & eval of NB for suspected immunologic cond ruled out | None | Cannot lead a claim |
| Z055 | Obs & eval of NB for suspected GI condition ruled out | None | Cannot lead a claim |
| Z056 | Obs & eval of NB for suspected GU condition ruled out | None | Cannot lead a claim |
| Z0571 | Obs & eval of NB for suspected skin, subcu cond ruled out | None | Cannot lead a claim |
| Z0572 | Obs & eval of NB for suspected ms condition ruled out | None | Cannot lead a claim |
| Z0573 | Obs & eval of NB for suspected conn tiss condition ruled out | None | Cannot lead a claim |
| Z0581 | Obs & eval NB for susp cond rel to home physio mon dev R/O | None | Cannot lead a claim |
| Z0589 | Obs & eval of NB for oth suspected condition ruled out | None | Cannot lead a claim |
| Z059 | Obs & eval of NB for unsp suspected condition ruled out | None | Cannot lead a claim |
| Z08 | Encntr for follow-up exam after trtmt for malignant neoplasm | None | Cannot lead a claim |
| Z09 | Encntr for f/u exam aft trtmt for cond oth than malig neoplm | None | Cannot lead a claim |
| Z110 | Encounter for screening for intestinal infectious diseases | None | Cannot lead a claim |
| Z111 | Encounter for screening for respiratory tuberculosis | None | Cannot lead a claim |
| Z112 | Encounter for screening for other bacterial diseases | None | Cannot lead a claim |
| Z113 | Encntr screen for infections w sexl mode of transmiss | None | Cannot lead a claim |
| Z114 | Encounter for screening for human immunodeficiency virus | None | Cannot lead a claim |
| Z1151 | Encounter for screening for human papillomavirus (HPV) | None | Cannot lead a claim |
| Z1152 | Encounter for screening for COVID-19 | A | Can lead a claim |
| Z1159 | Encounter for screening for other viral diseases | None | Cannot lead a claim |
| Z116 | Encntr screen for oth protozoal diseases and helminthiases | None | Cannot lead a claim |
| Z117 | Encounter for testing for latent tuberculosis infection | None | Cannot lead a claim |
| Z118 | Encounter for screening for oth infec/parastc diseases | None | Cannot lead a claim |
| Z119 | Encounter for screening for infec/parastc diseases, unsp | None | Cannot lead a claim |
| Z120 | Encounter for screening for malignant neoplasm of stomach | None | Cannot lead a claim |
| Z1210 | Encntr screen for malignant neoplasm of intest tract, unsp | None | Cannot lead a claim |
| Z1211 | Encounter for screening for malignant neoplasm of colon | None | Cannot lead a claim |
| Z1212 | Encounter for screening for malignant neoplasm of rectum | None | Cannot lead a claim |
| Z1213 | Encntr screen for malignant neoplasm of small intestine | None | Cannot lead a claim |
| Z122 | Encntr screen for malignant neoplasm of respiratory organs | None | Cannot lead a claim |
| Z1231 | Encntr screen mammogram for malignant neoplasm of breast | None | Cannot lead a claim |
| Z1239 | Encounter for oth screening for malignant neoplasm of breast | None | Cannot lead a claim |
| Z124 | Encounter for screening for malignant neoplasm of cervix | None | Cannot lead a claim |
| Z125 | Encounter for screening for malignant neoplasm of prostate | None | Cannot lead a claim |
| Z126 | Encounter for screening for malignant neoplasm of bladder | None | Cannot lead a claim |
| Z1271 | Encounter for screening for malignant neoplasm of testis | None | Cannot lead a claim |
| Z1272 | Encounter for screening for malignant neoplasm of vagina | None | Cannot lead a claim |
| Z1273 | Encounter for screening for malignant neoplasm of ovary | None | Cannot lead a claim |
| Z1279 | Encntr screen for malignant neoplasm of genitourinary organs | None | Cannot lead a claim |
| Z1281 | Encntr screen for malignant neoplasm of oral cavity | None | Cannot lead a claim |
| Z1282 | Encntr screen for malignant neoplasm of nervous system | None | Cannot lead a claim |
| Z1283 | Encounter for screening for malignant neoplasm of skin | None | Cannot lead a claim |
| Z1289 | Encounter for screening for malignant neoplasm of oth sites | None | Cannot lead a claim |
| Z129 | Encounter for screening for malignant neoplasm, site unsp | None | Cannot lead a claim |
| Z130 | Encntr screen for dis of the bld/bld-form org/immun mechnsm | None | Cannot lead a claim |
| Z131 | Encounter for screening for diabetes mellitus | None | Cannot lead a claim |
| Z1321 | Encounter for screening for nutritional disorder | None | Cannot lead a claim |
| Z13220 | Encounter for screening for lipoid disorders | None | Cannot lead a claim |
| Z13228 | Encounter for screening for other metabolic disorders | None | Cannot lead a claim |
| Z1329 | Encounter for screening for oth suspected endocrine disorder | None | Cannot lead a claim |
| Z1330 | Encntr screen exam for mental hlth and behavrl disord, unsp | None | Cannot lead a claim |
| Z1331 | Encounter for screening for depression | None | Cannot lead a claim |
| Z1332 | Encounter for screening for maternal depression | None | Cannot lead a claim |
| Z1339 | Encntr screen exam for other mental hlth and behavrl disord | None | Cannot lead a claim |
| Z1340 | Encounter for screening for unspecified developmental delays | None | Cannot lead a claim |
| Z1341 | Encounter for autism screening | None | Cannot lead a claim |
| Z1342 | Encntr screen for global developmental delays (milestones) | None | Cannot lead a claim |
| Z1349 | Encounter for screening for other developmental delays | None | Cannot lead a claim |
| Z135 | Encounter for screening for eye and ear disorders | None | Cannot lead a claim |
| Z136 | Encounter for screening for cardiovascular disorders | None | Cannot lead a claim |
| Z1371 | Encntr for nonprocreat screen for genetic dis carrier status | None | Cannot lead a claim |
| Z1379 | Encntr for oth screening for genetic and chromsoml anomalies | None | Cannot lead a claim |
| Z13810 | Encounter for screening for upper gastrointestinal disorder | None | Cannot lead a claim |
| Z13811 | Encounter for screening for lower gastrointestinal disorder | None | Cannot lead a claim |
| Z13818 | Encounter for screening for other digestive system disorders | None | Cannot lead a claim |
| Z13820 | Encounter for screening for osteoporosis | None | Cannot lead a claim |
| Z13828 | Encounter for screening for other musculoskeletal disorder | None | Cannot lead a claim |
| Z1383 | Encounter for screening for respiratory disorder NEC | None | Cannot lead a claim |
| Z1384 | Encounter for screening for dental disorders | None | Cannot lead a claim |
| Z13850 | Encounter for screening for traumatic brain injury | None | Cannot lead a claim |
| Z13858 | Encounter for screening for other nervous system disorders | None | Cannot lead a claim |
| Z1388 | Encntr screen for disorder due to exposure to contaminants | None | Cannot lead a claim |
| Z1389 | Encounter for screening for other disorder | None | Cannot lead a claim |
| Z139 | Encounter for screening, unspecified | None | Cannot lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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