ICD-10-CM category
O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Codes under O99 (Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| O99.0 | Anemia complicating pregnancy, childbirth and the puerperium | — |
| O99.0 | Anemia complicating pregnancy, childbirth and the puerperium | — |
| O99.01 | Anemia complicating pregnancy | — |
| O99.01 | Anemia complicating pregnancy | — |
| O99.1 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium | — |
| O99.1 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium | — |
| O99.02 | Anemia complicating childbirth | ✓ |
| O99.02 | Anemia complicating childbirth | ✓ |
| O99.2 | Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium | — |
| O99.2 | Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium | — |
| O99.03 | Anemia complicating the puerperium | ✓ |
| O99.03 | Anemia complicating the puerperium | ✓ |
| O99.3 | Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium | — |
| O99.3 | Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium | — |
| O99.4 | Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium | — |
| O99.4 | Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium | — |
| O99.5 | Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium | — |
| O99.5 | Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium | — |
| O99.6 | Diseases of the digestive system complicating pregnancy, childbirth and the puerperium | — |
| O99.6 | Diseases of the digestive system complicating pregnancy, childbirth and the puerperium | — |
| O99.7 | Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium | — |
| O99.7 | Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium | — |
| O99.8 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium | — |
| O99.8 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium | — |
| O99.011 | Anemia complicating pregnancy, first trimester | ✓ |
| O99.011 | Anemia complicating pregnancy, first trimester | ✓ |
| O99.11 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy | — |
| O99.11 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy | — |
| O99.012 | Anemia complicating pregnancy, second trimester | ✓ |
| O99.012 | Anemia complicating pregnancy, second trimester | ✓ |
| O99.12 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth | ✓ |
| O99.12 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth | ✓ |
| O99.013 | Anemia complicating pregnancy, third trimester | ✓ |
| O99.013 | Anemia complicating pregnancy, third trimester | ✓ |
| O99.13 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium | ✓ |
| O99.13 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium | ✓ |
| O99.019 | Anemia complicating pregnancy, unspecified trimester | ✓ |
| O99.019 | Anemia complicating pregnancy, unspecified trimester | ✓ |
| O99.21 | Obesity complicating pregnancy, childbirth, and the puerperium | — |
| O99.21 | Obesity complicating pregnancy, childbirth, and the puerperium | — |
| O99.28 | Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium | — |
| O99.28 | Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium | — |
| O99.31 | Alcohol use complicating pregnancy, childbirth, and the puerperium | — |
| O99.31 | Alcohol use complicating pregnancy, childbirth, and the puerperium | — |
| O99.32 | Drug use complicating pregnancy, childbirth, and the puerperium | — |
| O99.32 | Drug use complicating pregnancy, childbirth, and the puerperium | — |
| O99.33 | Tobacco use disorder complicating pregnancy, childbirth, and the puerperium | — |
| O99.33 | Tobacco use disorder complicating pregnancy, childbirth, and the puerperium | — |
| O99.34 | Other mental disorders complicating pregnancy, childbirth, and the puerperium | — |
| O99.34 | Other mental disorders complicating pregnancy, childbirth, and the puerperium | — |
| O99.35 | Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium | — |
| O99.35 | Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium | — |
| O99.41 | Diseases of the circulatory system complicating pregnancy | — |
| O99.41 | Diseases of the circulatory system complicating pregnancy | — |
| O99.42 | Diseases of the circulatory system complicating childbirth | ✓ |
| O99.42 | Diseases of the circulatory system complicating childbirth | ✓ |
| O99.43 | Diseases of the circulatory system complicating the puerperium | ✓ |
| O99.43 | Diseases of the circulatory system complicating the puerperium | ✓ |
| O99.51 | Diseases of the respiratory system complicating pregnancy | — |
| O99.51 | Diseases of the respiratory system complicating pregnancy | — |
| O99.52 | Diseases of the respiratory system complicating childbirth | ✓ |
| O99.52 | Diseases of the respiratory system complicating childbirth | ✓ |
| O99.53 | Diseases of the respiratory system complicating the puerperium | ✓ |
| O99.53 | Diseases of the respiratory system complicating the puerperium | ✓ |
| O99.61 | Diseases of the digestive system complicating pregnancy | — |
| O99.61 | Diseases of the digestive system complicating pregnancy | — |
| O99.62 | Diseases of the digestive system complicating childbirth | ✓ |
| O99.62 | Diseases of the digestive system complicating childbirth | ✓ |
| O99.63 | Diseases of the digestive system complicating the puerperium | ✓ |
| O99.63 | Diseases of the digestive system complicating the puerperium | ✓ |
| O99.71 | Diseases of the skin and subcutaneous tissue complicating pregnancy | — |
| O99.71 | Diseases of the skin and subcutaneous tissue complicating pregnancy | — |
| O99.72 | Diseases of the skin and subcutaneous tissue complicating childbirth | ✓ |
| O99.72 | Diseases of the skin and subcutaneous tissue complicating childbirth | ✓ |
| O99.73 | Diseases of the skin and subcutaneous tissue complicating the puerperium | ✓ |
| O99.73 | Diseases of the skin and subcutaneous tissue complicating the puerperium | ✓ |
| O99.81 | Abnormal glucose complicating pregnancy, childbirth and the puerperium | — |
| O99.81 | Abnormal glucose complicating pregnancy, childbirth and the puerperium | — |
| O99.82 | Streptococcus B carrier state complicating pregnancy, childbirth and the puerperium | — |
| O99.82 | Streptococcus B carrier state complicating pregnancy, childbirth and the puerperium | — |
| O99.83 | Other infection carrier state complicating pregnancy, childbirth and the puerperium | — |
| O99.83 | Other infection carrier state complicating pregnancy, childbirth and the puerperium | — |
| O99.84 | Bariatric surgery status complicating pregnancy, childbirth and the puerperium | — |
| O99.84 | Bariatric surgery status complicating pregnancy, childbirth and the puerperium | — |
| O99.89 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium | — |
| O99.89 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium | — |
| O99.111 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester | ✓ |
| O99.111 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester | ✓ |
| O99.112 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester | ✓ |
| O99.112 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester | ✓ |
| O99.113 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester | ✓ |
| O99.113 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester | ✓ |
| O99.119 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester | ✓ |
| O99.119 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester | ✓ |
| O99.210 | Obesity complicating pregnancy, unspecified trimester | ✓ |
| O99.210 | Obesity complicating pregnancy, unspecified trimester | ✓ |
| O99.211 | Obesity complicating pregnancy, first trimester | ✓ |
| O99.211 | Obesity complicating pregnancy, first trimester | ✓ |
| O99.212 | Obesity complicating pregnancy, second trimester | ✓ |
| O99.212 | Obesity complicating pregnancy, second trimester | ✓ |
| O99.213 | Obesity complicating pregnancy, third trimester | ✓ |
| O99.213 | Obesity complicating pregnancy, third trimester | ✓ |
| O99.214 | Obesity complicating childbirth | ✓ |
| O99.214 | Obesity complicating childbirth | ✓ |
| O99.215 | Obesity complicating the puerperium | ✓ |
| O99.215 | Obesity complicating the puerperium | ✓ |
| O99.280 | Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester | ✓ |
| O99.280 | Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester | ✓ |
| O99.281 | Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester | ✓ |
| O99.281 | Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester | ✓ |
| O99.282 | Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester | ✓ |
| O99.282 | Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester | ✓ |
| O99.283 | Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester | ✓ |
| O99.283 | Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester | ✓ |
| O99.284 | Endocrine, nutritional and metabolic diseases complicating childbirth | ✓ |
| O99.284 | Endocrine, nutritional and metabolic diseases complicating childbirth | ✓ |
| O99.285 | Endocrine, nutritional and metabolic diseases complicating the puerperium | ✓ |
| O99.285 | Endocrine, nutritional and metabolic diseases complicating the puerperium | ✓ |
| O99.310 | Alcohol use complicating pregnancy, unspecified trimester | ✓ |
| O99.310 | Alcohol use complicating pregnancy, unspecified trimester | ✓ |
| O99.311 | Alcohol use complicating pregnancy, first trimester | ✓ |
| O99.311 | Alcohol use complicating pregnancy, first trimester | ✓ |
| O99.312 | Alcohol use complicating pregnancy, second trimester | ✓ |
| O99.312 | Alcohol use complicating pregnancy, second trimester | ✓ |
| O99.313 | Alcohol use complicating pregnancy, third trimester | ✓ |
| O99.313 | Alcohol use complicating pregnancy, third trimester | ✓ |
| O99.314 | Alcohol use complicating childbirth | ✓ |
| O99.314 | Alcohol use complicating childbirth | ✓ |
| O99.315 | Alcohol use complicating the puerperium | ✓ |
| O99.315 | Alcohol use complicating the puerperium | ✓ |
| O99.320 | Drug use complicating pregnancy, unspecified trimester | ✓ |
| O99.320 | Drug use complicating pregnancy, unspecified trimester | ✓ |
| O99.321 | Drug use complicating pregnancy, first trimester | ✓ |
| O99.321 | Drug use complicating pregnancy, first trimester | ✓ |
| O99.322 | Drug use complicating pregnancy, second trimester | ✓ |
| O99.322 | Drug use complicating pregnancy, second trimester | ✓ |
| O99.323 | Drug use complicating pregnancy, third trimester | ✓ |
| O99.323 | Drug use complicating pregnancy, third trimester | ✓ |
| O99.324 | Drug use complicating childbirth | ✓ |
| O99.324 | Drug use complicating childbirth | ✓ |
| O99.325 | Drug use complicating the puerperium | ✓ |
| O99.325 | Drug use complicating the puerperium | ✓ |
| O99.330 | Smoking (tobacco) complicating pregnancy, unspecified trimester | ✓ |
| O99.330 | Smoking (tobacco) complicating pregnancy, unspecified trimester | ✓ |
| O99.331 | Smoking (tobacco) complicating pregnancy, first trimester | ✓ |
| O99.331 | Smoking (tobacco) complicating pregnancy, first trimester | ✓ |
| O99.332 | Smoking (tobacco) complicating pregnancy, second trimester | ✓ |
| O99.332 | Smoking (tobacco) complicating pregnancy, second trimester | ✓ |
| O99.333 | Smoking (tobacco) complicating pregnancy, third trimester | ✓ |
| O99.333 | Smoking (tobacco) complicating pregnancy, third trimester | ✓ |
| O99.334 | Smoking (tobacco) complicating childbirth | ✓ |
| O99.334 | Smoking (tobacco) complicating childbirth | ✓ |
| O99.335 | Smoking (tobacco) complicating the puerperium | ✓ |
| O99.335 | Smoking (tobacco) complicating the puerperium | ✓ |
| O99.340 | Other mental disorders complicating pregnancy, unspecified trimester | ✓ |
| O99.340 | Other mental disorders complicating pregnancy, unspecified trimester | ✓ |
| O99.341 | Other mental disorders complicating pregnancy, first trimester | ✓ |
| O99.341 | Other mental disorders complicating pregnancy, first trimester | ✓ |
| O99.342 | Other mental disorders complicating pregnancy, second trimester | ✓ |
| O99.342 | Other mental disorders complicating pregnancy, second trimester | ✓ |
| O99.343 | Other mental disorders complicating pregnancy, third trimester | ✓ |
| O99.343 | Other mental disorders complicating pregnancy, third trimester | ✓ |
| O99.344 | Other mental disorders complicating childbirth | ✓ |
| O99.344 | Other mental disorders complicating childbirth | ✓ |
| O99.345 | Other mental disorders complicating the puerperium | ✓ |
| O99.345 | Other mental disorders complicating the puerperium | ✓ |
| O99.350 | Diseases of the nervous system complicating pregnancy, unspecified trimester | ✓ |
| O99.350 | Diseases of the nervous system complicating pregnancy, unspecified trimester | ✓ |
| O99.351 | Diseases of the nervous system complicating pregnancy, first trimester | ✓ |
| O99.351 | Diseases of the nervous system complicating pregnancy, first trimester | ✓ |
| O99.352 | Diseases of the nervous system complicating pregnancy, second trimester | ✓ |
| O99.352 | Diseases of the nervous system complicating pregnancy, second trimester | ✓ |
| O99.353 | Diseases of the nervous system complicating pregnancy, third trimester | ✓ |
| O99.353 | Diseases of the nervous system complicating pregnancy, third trimester | ✓ |
| O99.354 | Diseases of the nervous system complicating childbirth | ✓ |
| O99.354 | Diseases of the nervous system complicating childbirth | ✓ |
| O99.355 | Diseases of the nervous system complicating the puerperium | ✓ |
| O99.355 | Diseases of the nervous system complicating the puerperium | ✓ |
| O99.411 | Diseases of the circulatory system complicating pregnancy, first trimester | ✓ |
| O99.411 | Diseases of the circulatory system complicating pregnancy, first trimester | ✓ |
| O99.412 | Diseases of the circulatory system complicating pregnancy, second trimester | ✓ |
| O99.412 | Diseases of the circulatory system complicating pregnancy, second trimester | ✓ |
| O99.413 | Diseases of the circulatory system complicating pregnancy, third trimester | ✓ |
| O99.413 | Diseases of the circulatory system complicating pregnancy, third trimester | ✓ |
| O99.419 | Diseases of the circulatory system complicating pregnancy, unspecified trimester | ✓ |
| O99.419 | Diseases of the circulatory system complicating pregnancy, unspecified trimester | ✓ |
| O99.511 | Diseases of the respiratory system complicating pregnancy, first trimester | ✓ |
| O99.511 | Diseases of the respiratory system complicating pregnancy, first trimester | ✓ |
| O99.512 | Diseases of the respiratory system complicating pregnancy, second trimester | ✓ |
| O99.512 | Diseases of the respiratory system complicating pregnancy, second trimester | ✓ |
| O99.513 | Diseases of the respiratory system complicating pregnancy, third trimester | ✓ |
| O99.513 | Diseases of the respiratory system complicating pregnancy, third trimester | ✓ |
| O99.519 | Diseases of the respiratory system complicating pregnancy, unspecified trimester | ✓ |
| O99.519 | Diseases of the respiratory system complicating pregnancy, unspecified trimester | ✓ |
| O99.611 | Diseases of the digestive system complicating pregnancy, first trimester | ✓ |
| O99.611 | Diseases of the digestive system complicating pregnancy, first trimester | ✓ |
| O99.612 | Diseases of the digestive system complicating pregnancy, second trimester | ✓ |
| O99.612 | Diseases of the digestive system complicating pregnancy, second trimester | ✓ |
| O99.613 | Diseases of the digestive system complicating pregnancy, third trimester | ✓ |
| O99.613 | Diseases of the digestive system complicating pregnancy, third trimester | ✓ |
| O99.619 | Diseases of the digestive system complicating pregnancy, unspecified trimester | ✓ |
| O99.619 | Diseases of the digestive system complicating pregnancy, unspecified trimester | ✓ |
| O99.711 | Diseases of the skin and subcutaneous tissue complicating pregnancy, first trimester | ✓ |
| O99.711 | Diseases of the skin and subcutaneous tissue complicating pregnancy, first trimester | ✓ |
| O99.712 | Diseases of the skin and subcutaneous tissue complicating pregnancy, second trimester | ✓ |
| O99.712 | Diseases of the skin and subcutaneous tissue complicating pregnancy, second trimester | ✓ |
| O99.713 | Diseases of the skin and subcutaneous tissue complicating pregnancy, third trimester | ✓ |
| O99.713 | Diseases of the skin and subcutaneous tissue complicating pregnancy, third trimester | ✓ |
| O99.719 | Diseases of the skin and subcutaneous tissue complicating pregnancy, unspecified trimester | ✓ |
| O99.719 | Diseases of the skin and subcutaneous tissue complicating pregnancy, unspecified trimester | ✓ |
| O99.810 | Abnormal glucose complicating pregnancy | ✓ |
| O99.810 | Abnormal glucose complicating pregnancy | ✓ |
| O99.814 | Abnormal glucose complicating childbirth | ✓ |
| O99.814 | Abnormal glucose complicating childbirth | ✓ |
| O99.815 | Abnormal glucose complicating the puerperium | ✓ |
| O99.815 | Abnormal glucose complicating the puerperium | ✓ |
| O99.820 | Streptococcus B carrier state complicating pregnancy | ✓ |
| O99.820 | Streptococcus B carrier state complicating pregnancy | ✓ |
| O99.824 | Streptococcus B carrier state complicating childbirth | ✓ |
| O99.824 | Streptococcus B carrier state complicating childbirth | ✓ |
| O99.825 | Streptococcus B carrier state complicating the puerperium | ✓ |
| O99.825 | Streptococcus B carrier state complicating the puerperium | ✓ |
| O99.830 | Other infection carrier state complicating pregnancy | ✓ |
| O99.830 | Other infection carrier state complicating pregnancy | ✓ |
| O99.834 | Other infection carrier state complicating childbirth | ✓ |
| O99.834 | Other infection carrier state complicating childbirth | ✓ |
| O99.835 | Other infection carrier state complicating the puerperium | ✓ |
| O99.835 | Other infection carrier state complicating the puerperium | ✓ |
| O99.840 | Bariatric surgery status complicating pregnancy, unspecified trimester | ✓ |
| O99.840 | Bariatric surgery status complicating pregnancy, unspecified trimester | ✓ |
| O99.841 | Bariatric surgery status complicating pregnancy, first trimester | ✓ |
| O99.841 | Bariatric surgery status complicating pregnancy, first trimester | ✓ |
| O99.842 | Bariatric surgery status complicating pregnancy, second trimester | ✓ |
| O99.842 | Bariatric surgery status complicating pregnancy, second trimester | ✓ |
| O99.843 | Bariatric surgery status complicating pregnancy, third trimester | ✓ |
| O99.843 | Bariatric surgery status complicating pregnancy, third trimester | ✓ |
| O99.844 | Bariatric surgery status complicating childbirth | ✓ |
| O99.844 | Bariatric surgery status complicating childbirth | ✓ |
| O99.845 | Bariatric surgery status complicating the puerperium | ✓ |
| O99.845 | Bariatric surgery status complicating the puerperium | ✓ |
| O99.891 | Other specified diseases and conditions complicating pregnancy | ✓ |
| O99.891 | Other specified diseases and conditions complicating pregnancy | ✓ |
| O99.892 | Other specified diseases and conditions complicating childbirth | ✓ |
| O99.892 | Other specified diseases and conditions complicating childbirth | ✓ |
| O99.893 | Other specified diseases and conditions complicating puerperium | ✓ |
| O99.893 | Other specified diseases and conditions complicating puerperium | ✓ |
Frequently asked questions
What is ICD-10-CM code O99?
O99 is an ICD-10-CM category covering Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It contains 246 more specific diagnosis codes, 192 of which are billable.
Is O99 a billable code?
No — O99 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O99.0 — Anemia complicating pregnancy, childbirth and the puerperium). 192 of the 246 codes under O99 are billable.
What codes fall under O99?
O99 includes O99.0, O99.0, O99.01, O99.01, O99.1, plus 241 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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