October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

O94-O9A — Other obstetric conditions, not elsewhere classified

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

187

No clinical group

35

A period cannot be grouped from these.

Barred as primary

1

CMS rejects these in the primary position.

Where these codes group

152 of the 187 codes in O94-O9A group to MMTA - Other. A further 35 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.

Code families in O94-O9A

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in O94-O9A

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
O94Sequelae of comp of pregnancy, chldbrth, and the puerperiumNoneCannot lead a claim
O98011Tuberculosis complicating pregnancy, first trimesterACan lead a claim
O98012Tuberculosis complicating pregnancy, second trimesterACan lead a claim
O98013Tuberculosis complicating pregnancy, third trimesterACan lead a claim
O98019Tuberculosis complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O9802Tuberculosis complicating childbirthACan lead a claim
O9803Tuberculosis complicating the puerperiumACan lead a claim
O98111Syphilis complicating pregnancy, first trimesterACan lead a claim
O98112Syphilis complicating pregnancy, second trimesterACan lead a claim
O98113Syphilis complicating pregnancy, third trimesterACan lead a claim
O98119Syphilis complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O9812Syphilis complicating childbirthACan lead a claim
O9813Syphilis complicating the puerperiumACan lead a claim
O98211Gonorrhea complicating pregnancy, first trimesterACan lead a claim
O98212Gonorrhea complicating pregnancy, second trimesterACan lead a claim
O98213Gonorrhea complicating pregnancy, third trimesterACan lead a claim
O98219Gonorrhea complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O9822Gonorrhea complicating childbirthACan lead a claim
O9823Gonorrhea complicating the puerperiumACan lead a claim
O98311Oth infect w sexl mode of transmiss comp preg, first triACan lead a claim
O98312Oth infect w sexl mode of transmiss comp preg, second triACan lead a claim
O98313Oth infect w sexl mode of transmiss comp preg, third triACan lead a claim
O98319Oth infect w sexl mode of transmiss comp preg, unsp triNoneCannot lead a claim
O9832Oth infections w sexl mode of transmiss comp childbirthACan lead a claim
O9833Oth infections w sexl mode of transmiss comp the puerperiumACan lead a claim
O98411Viral hepatitis complicating pregnancy, first trimesterACan lead a claim
O98412Viral hepatitis complicating pregnancy, second trimesterACan lead a claim
O98413Viral hepatitis complicating pregnancy, third trimesterACan lead a claim
O98419Viral hepatitis complicating pregnancy, unsp trimesterNoneCannot lead a claim
O9842Viral hepatitis complicating childbirthACan lead a claim
O9843Viral hepatitis complicating the puerperiumACan lead a claim
O98511Other viral diseases complicating pregnancy, first trimesterACan lead a claim
O98512Oth viral diseases complicating pregnancy, second trimesterACan lead a claim
O98513Other viral diseases complicating pregnancy, third trimesterACan lead a claim
O98519Other viral diseases complicating pregnancy, unsp trimesterNoneCannot lead a claim
O9852Other viral diseases complicating childbirthACan lead a claim
O9853Other viral diseases complicating the puerperiumACan lead a claim
O98611Protozoal diseases complicating pregnancy, first trimesterACan lead a claim
O98612Protozoal diseases complicating pregnancy, second trimesterACan lead a claim
O98613Protozoal diseases complicating pregnancy, third trimesterACan lead a claim
O98619Protozoal diseases complicating pregnancy, unsp trimesterNoneCannot lead a claim
O9862Protozoal diseases complicating childbirthACan lead a claim
O9863Protozoal diseases complicating the puerperiumACan lead a claim
O98711Human immunodef virus disease comp preg, first trimesterACan lead a claim
O98712Human immunodef virus disease comp preg, second trimesterACan lead a claim
O98713Human immunodef virus disease comp preg, third trimesterACan lead a claim
O98719Human immunodef virus disease comp pregnancy, unsp trimesterNoneCannot lead a claim
O9872Human immunodeficiency virus disease complicating childbirthACan lead a claim
O9873Human immunodef virus disease complicating the puerperiumACan lead a claim
O98811Oth maternal infec/parastc diseases comp preg, first triACan lead a claim
O98812Oth maternal infec/parastc diseases comp preg, second triACan lead a claim
O98813Oth maternal infec/parastc diseases comp preg, third triACan lead a claim
O98819Oth maternal infec/parastc diseases comp preg, unsp triNoneCannot lead a claim
O9882Oth maternal infec/parastc diseases complicating childbirthACan lead a claim
O9883Oth maternal infec/parastc diseases comp the puerperiumACan lead a claim
O98911Unsp maternal infec/parastc disease comp preg, first triNoneCannot lead a claim
O98912Unsp maternal infec/parastc disease comp preg, second triNoneCannot lead a claim
O98913Unsp maternal infec/parastc disease comp preg, third triNoneCannot lead a claim
O98919Unsp maternal infec/parastc disease comp preg, unsp triNoneCannot lead a claim
O9892Unsp maternal infec/parastc disease complicating childbirthNoneCannot lead a claim
O9893Unsp maternal infec/parastc disease comp the puerperiumNoneCannot lead a claim
O99011Anemia complicating pregnancy, first trimesterACan lead a claim
O99012Anemia complicating pregnancy, second trimesterACan lead a claim
O99013Anemia complicating pregnancy, third trimesterACan lead a claim
O99019Anemia complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O9902Anemia complicating childbirthACan lead a claim
O9903Anemia complicating the puerperiumACan lead a claim
O99111Oth dis of bld/bld-form org/immun mechnsm comp preg, 1st triACan lead a claim
O99112Oth dis of bld/bld-form org/immun mechnsm comp preg, 2nd triACan lead a claim
O99113Oth dis of bld/bld-form org/immun mechnsm comp preg, 3rd triACan lead a claim
O99119Oth dis of bld/bld-form org/immun mechnsm comp preg,unsp triNoneCannot lead a claim
O9912Oth dis of the bld/bld-form org/immun mechnsm comp chldbrthACan lead a claim
O9913Oth dis of the bld/bld-form org/immun mechnsm comp the puerpACan lead a claim
O99210Obesity complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O99211Obesity complicating pregnancy, first trimesterACan lead a claim
O99212Obesity complicating pregnancy, second trimesterACan lead a claim
O99213Obesity complicating pregnancy, third trimesterACan lead a claim
O99214Obesity complicating childbirthACan lead a claim
O99215Obesity complicating the puerperiumACan lead a claim
O99280Endo, nutritional and metab diseases comp preg, unsp triNoneCannot lead a claim
O99281Endo, nutritional and metab diseases comp preg, first triACan lead a claim
O99282Endo, nutritional and metab diseases comp preg, second triACan lead a claim
O99283Endo, nutritional and metab diseases comp preg, third triACan lead a claim
O99284Endocrine, nutritional and metabolic diseases comp chldbrthACan lead a claim
O99285Endocrine, nutritional and metabolic diseases comp the puerpACan lead a claim
O99310Alcohol use complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O99311Alcohol use complicating pregnancy, first trimesterACan lead a claim
O99312Alcohol use complicating pregnancy, second trimesterACan lead a claim
O99313Alcohol use complicating pregnancy, third trimesterACan lead a claim
O99314Alcohol use complicating childbirthACan lead a claim
O99315Alcohol use complicating the puerperiumACan lead a claim
O99320Drug use complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O99321Drug use complicating pregnancy, first trimesterACan lead a claim
O99322Drug use complicating pregnancy, second trimesterACan lead a claim
O99323Drug use complicating pregnancy, third trimesterACan lead a claim
O99324Drug use complicating childbirthACan lead a claim
O99325Drug use complicating the puerperiumACan lead a claim
O99330Smoking (tobacco) complicating pregnancy, unsp trimesterNoneCannot lead a claim
O99331Smoking (tobacco) complicating pregnancy, first trimesterACan lead a claim
O99332Smoking (tobacco) complicating pregnancy, second trimesterACan lead a claim
O99333Smoking (tobacco) complicating pregnancy, third trimesterACan lead a claim
O99334Smoking (tobacco) complicating childbirthACan lead a claim
O99335Smoking (tobacco) complicating the puerperiumACan lead a claim
O99340Oth mental disorders complicating pregnancy, unsp trimesterNoneCannot lead a claim
O99341Oth mental disorders complicating pregnancy, first trimesterACan lead a claim
O99342Oth mental disorders comp pregnancy, second trimesterACan lead a claim
O99343Oth mental disorders complicating pregnancy, third trimesterACan lead a claim
O99344Other mental disorders complicating childbirthACan lead a claim
O99345Other mental disorders complicating the puerperiumACan lead a claim
O99350Diseases of the nervous sys comp pregnancy, unsp trimesterNoneCannot lead a claim
O99351Diseases of the nervous sys comp pregnancy, first trimesterACan lead a claim
O99352Diseases of the nervous sys comp pregnancy, second trimesterACan lead a claim
O99353Diseases of the nervous sys comp pregnancy, third trimesterACan lead a claim
O99354Diseases of the nervous system complicating childbirthACan lead a claim
O99355Diseases of the nervous system complicating the puerperiumACan lead a claim
O99411Diseases of the circ sys comp pregnancy, first trimesterACan lead a claim
O99412Diseases of the circ sys comp pregnancy, second trimesterACan lead a claim
O99413Diseases of the circ sys comp pregnancy, third trimesterACan lead a claim
O99419Diseases of the circ sys comp pregnancy, unsp trimesterNoneCannot lead a claim
O9942Diseases of the circulatory system complicating childbirthACan lead a claim
O9943Diseases of the circ sys complicating the puerperiumACan lead a claim
O99511Diseases of the resp sys comp pregnancy, first trimesterACan lead a claim
O99512Diseases of the resp sys comp pregnancy, second trimesterACan lead a claim
O99513Diseases of the resp sys comp pregnancy, third trimesterACan lead a claim
O99519Diseases of the resp sys comp pregnancy, unsp trimesterNoneCannot lead a claim
O9952Diseases of the respiratory system complicating childbirthACan lead a claim
O9953Diseases of the resp sys complicating the puerperiumACan lead a claim
O99611Diseases of the dgstv sys comp pregnancy, first trimesterACan lead a claim
O99612Diseases of the dgstv sys comp pregnancy, second trimesterACan lead a claim
O99613Diseases of the dgstv sys comp pregnancy, third trimesterACan lead a claim
O99619Diseases of the dgstv sys comp pregnancy, unsp trimesterNoneCannot lead a claim
O9962Diseases of the digestive system complicating childbirthACan lead a claim
O9963Diseases of the digestive system complicating the puerperiumACan lead a claim
O99711Diseases of the skin, subcu comp pregnancy, first trimesterACan lead a claim
O99712Diseases of the skin, subcu comp pregnancy, second trimesterACan lead a claim
O99713Diseases of the skin, subcu comp pregnancy, third trimesterACan lead a claim
O99719Diseases of the skin, subcu comp pregnancy, unsp trimesterNoneCannot lead a claim
O9972Diseases of the skin, subcu complicating childbirthACan lead a claim
O9973Diseases of the skin, subcu complicating the puerperiumACan lead a claim
O99810Abnormal glucose complicating pregnancyACan lead a claim
O99814Abnormal glucose complicating childbirthACan lead a claim
O99815Abnormal glucose complicating the puerperiumACan lead a claim
O99820Streptococcus B carrier state complicating pregnancyACan lead a claim
O99824Streptococcus B carrier state complicating childbirthACan lead a claim
O99825Streptococcus B carrier state complicating the puerperiumACan lead a claim
O99830Other infection carrier state complicating pregnancyACan lead a claim
O99834Other infection carrier state complicating childbirthACan lead a claim
O99835Other infection carrier state complicating the puerperiumACan lead a claim
O99840Bariatric surgery status comp pregnancy, unsp trimesterNoneCannot lead a claim
O99841Bariatric surgery status comp pregnancy, first trimesterACan lead a claim
O99842Bariatric surgery status comp pregnancy, second trimesterACan lead a claim
O99843Bariatric surgery status comp pregnancy, third trimesterACan lead a claim
O99844Bariatric surgery status complicating childbirthACan lead a claim
O99845Bariatric surgery status complicating the puerperiumACan lead a claim
O99891Oth diseases and conditions complicating pregnancyACan lead a claim
O99892Oth diseases and conditions complicating childbirthACan lead a claim
O99893Oth diseases and conditions complicating puerperiumACan lead a claim
O9A111Malignant neoplasm complicating pregnancy, first trimesterACan lead a claim
O9A112Malignant neoplasm complicating pregnancy, second trimesterACan lead a claim
O9A113Malignant neoplasm complicating pregnancy, third trimesterACan lead a claim
O9A119Malignant neoplasm complicating pregnancy, unsp trimesterNoneCannot lead a claim
O9A12Malignant neoplasm complicating childbirthACan lead a claim
O9A13Malignant neoplasm complicating the puerperiumACan lead a claim
O9A211Inj/poisn/oth conseq of external causes comp preg, first triACan lead a claim
O9A212Inj/poisn/oth conseq of extrn causes comp preg, second triACan lead a claim
O9A213Inj/poisn/oth conseq of external causes comp preg, third triACan lead a claim
O9A219Inj/poisn/oth conseq of external causes comp preg, unsp triNoneCannot lead a claim
O9A22Inj/poisn/oth conseq of external causes comp childbirthACan lead a claim
O9A23Inj/poisn/oth conseq of external causes comp the puerperiumACan lead a claim
O9A311Physical abuse complicating pregnancy, first trimesterACan lead a claim
O9A312Physical abuse complicating pregnancy, second trimesterACan lead a claim
O9A313Physical abuse complicating pregnancy, third trimesterACan lead a claim
O9A319Physical abuse complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O9A32Physical abuse complicating childbirthACan lead a claim
O9A33Physical abuse complicating the puerperiumACan lead a claim
O9A411Sexual abuse complicating pregnancy, first trimesterACan lead a claim
O9A412Sexual abuse complicating pregnancy, second trimesterACan lead a claim
O9A413Sexual abuse complicating pregnancy, third trimesterACan lead a claim
O9A419Sexual abuse complicating pregnancy, unspecified trimesterNoneCannot lead a claim
O9A42Sexual abuse complicating childbirthACan lead a claim
O9A43Sexual abuse complicating the puerperiumACan lead a claim
O9A511Psychological abuse complicating pregnancy, first trimesterACan lead a claim
O9A512Psychological abuse complicating pregnancy, second trimesterACan lead a claim
O9A513Psychological abuse complicating pregnancy, third trimesterACan lead a claim
O9A519Psychological abuse complicating pregnancy, unsp trimesterNoneCannot lead a claim
O9A52Psychological abuse complicating childbirthACan lead a claim
O9A53Psychological abuse complicating the puerperiumACan 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.

The monthly home health regs digest

What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue