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O99

Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

• conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

• when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

O99.0

Anemia complicating pregnancy, childbirth and the puerperium

• anemia arising in the puerperium (O90.81)
• postpartum anemia NOS (O90.81)

• Conditions in D50-D64

O99.01

Anemia complicating pregnancy

O99.011

Anemia complicating pregnancy, first trimester

O99.012

Anemia complicating pregnancy, second trimester

O99.013

Anemia complicating pregnancy, third trimester

O99.019

Anemia complicating pregnancy, unspecified trimester

O99.02

Anemia complicating childbirth

O99.03

Anemia complicating the puerperium

• postpartum anemia not pre-existing prior to delivery (O90.81)

O99.1

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium

• hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)

• Conditions in D65-D89

O99.11

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy

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

O99.113

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

O99.12

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth

O99.13

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium

O99.2

Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium

• diabetes mellitus (O24.-)
• malnutrition (O25.-)
• postpartum thyroiditis (O90.5)

• Conditions in E00-E88

O99.21

Obesity complicating pregnancy, childbirth, and the puerperium

O99.210

Obesity complicating pregnancy, unspecified trimester

O99.211

Obesity complicating pregnancy, first trimester

O99.212

Obesity complicating pregnancy, second trimester

O99.213

Obesity complicating pregnancy, third trimester

O99.214

Obesity complicating childbirth

O99.215

Obesity complicating the puerperium

O99.28

Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium

O99.280

Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester

O99.281

Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester

O99.282

Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester

O99.283

Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester

O99.284

Endocrine, nutritional and metabolic diseases complicating childbirth

O99.285

Endocrine, nutritional and metabolic diseases complicating the puerperium

O99.3

Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium

O99.31

Alcohol use complicating pregnancy, childbirth, and the puerperium

O99.310

Alcohol use complicating pregnancy, unspecified trimester

O99.311

Alcohol use complicating pregnancy, first trimester

O99.312

Alcohol use complicating pregnancy, second trimester

O99.313

Alcohol use complicating pregnancy, third trimester

O99.314

Alcohol use complicating childbirth

O99.315

Alcohol use complicating the puerperium

O99.32

Drug use complicating pregnancy, childbirth, and the puerperium

O99.320

Drug use complicating pregnancy, unspecified trimester

O99.321

Drug use complicating pregnancy, first trimester

O99.322

Drug use complicating pregnancy, second trimester

O99.323

Drug use complicating pregnancy, third trimester

O99.324

Drug use complicating childbirth

O99.325

Drug use complicating the puerperium

O99.33

Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

• Smoking complicating pregnancy, childbirth, and the puerperium

O99.330

Smoking (tobacco) complicating pregnancy, unspecified trimester

O99.331

Smoking (tobacco) complicating pregnancy, first trimester

O99.332

Smoking (tobacco) complicating pregnancy, second trimester

O99.333

Smoking (tobacco) complicating pregnancy, third trimester

O99.334

Smoking (tobacco) complicating childbirth

O99.335

Smoking (tobacco) complicating the puerperium

O99.34

Other mental disorders complicating pregnancy, childbirth, and the puerperium

• postpartum mood disturbance (O90.6)
• postnatal psychosis (F53.1)
• puerperal psychosis (F53.1)

• Conditions in F01-F09 and F20-F99

O99.340

Other mental disorders complicating pregnancy, unspecified trimester

O99.341

Other mental disorders complicating pregnancy, first trimester

O99.342

Other mental disorders complicating pregnancy, second trimester

O99.343

Other mental disorders complicating pregnancy, third trimester

O99.344

Other mental disorders complicating childbirth

O99.345

Other mental disorders complicating the puerperium

O99.35

Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium

• pregnancy related peripheral neuritis (O26.8-)

• Conditions in G00-G99

O99.350

Diseases of the nervous system complicating pregnancy, unspecified trimester

O99.351

Diseases of the nervous system complicating pregnancy, first trimester

O99.352

Diseases of the nervous system complicating pregnancy, second trimester

O99.353

Diseases of the nervous system complicating pregnancy, third trimester

O99.354

Diseases of the nervous system complicating childbirth

O99.355

Diseases of the nervous system complicating the puerperium

O99.4

Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

• peripartum cardiomyopathy (O90.3)

• hypertensive disorders (O10-O16)
• obstetric embolism (O88.-)
• venous complications and cerebrovenous sinus thrombosis in labor, childbirth and the puerperium (O87.-)
• venous complications and cerebrovenous sinus thrombosis in pregnancy (O22.-)

• Conditions in I00-I99

O99.41

Diseases of the circulatory system complicating pregnancy

O99.411

Diseases of the circulatory system complicating pregnancy, first trimester

O99.412

Diseases of the circulatory system complicating pregnancy, second trimester

O99.413

Diseases of the circulatory system complicating pregnancy, third trimester

O99.419

Diseases of the circulatory system complicating pregnancy, unspecified trimester

O99.42

Diseases of the circulatory system complicating childbirth

O99.43

Diseases of the circulatory system complicating the puerperium

O99.5

Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium

• Conditions in J00-J99

O99.51

Diseases of the respiratory system complicating pregnancy

O99.511

Diseases of the respiratory system complicating pregnancy, first trimester

O99.512

Diseases of the respiratory system complicating pregnancy, second trimester

O99.513

Diseases of the respiratory system complicating pregnancy, third trimester

O99.519

Diseases of the respiratory system complicating pregnancy, unspecified trimester

O99.52

Diseases of the respiratory system complicating childbirth

O99.53

Diseases of the respiratory system complicating the puerperium

O99.6

Diseases of the digestive system complicating pregnancy, childbirth and the puerperium

• hemorrhoids in pregnancy (O22.4-)
• liver and biliary tract disorders in pregnancy, childbirth and the puerperium (O26.6-)

• Conditions in K00-K93

O99.61

Diseases of the digestive system complicating pregnancy

O99.611

Diseases of the digestive system complicating pregnancy, first trimester

O99.612

Diseases of the digestive system complicating pregnancy, second trimester

O99.613

Diseases of the digestive system complicating pregnancy, third trimester

O99.619

Diseases of the digestive system complicating pregnancy, unspecified trimester

O99.62

Diseases of the digestive system complicating childbirth

O99.63

Diseases of the digestive system complicating the puerperium

O99.7

Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium

• herpes gestationis (O26.4)
• pruritic urticarial papules and plaques of pregnancy (PUPPP) (O26.86)

• Conditions in L00-L99

O99.71

Diseases of the skin and subcutaneous tissue complicating pregnancy

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

O99.713

Diseases of the skin and subcutaneous tissue complicating pregnancy, third trimester

O99.719

Diseases of the skin and subcutaneous tissue complicating pregnancy, unspecified trimester

O99.72

Diseases of the skin and subcutaneous tissue complicating childbirth

O99.73

Diseases of the skin and subcutaneous tissue complicating the puerperium

O99.8

Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium

• genitourinary infections in pregnancy (O23.-)
• infection of genitourinary tract following delivery (O86.1-O86.3)
• malignant neoplasm complicating pregnancy, childbirth and the puerperium (O9A.1-)
• maternal care for known or suspected abnormality of maternal pelvic organs (O34.-)
• postpartum acute kidney failure (O90.4)
• traumatic injuries in pregnancy (O9A.2-)

• Conditions in D00-D48, H00-H95, M00-N99, and Q00-Q99

O99.81

Abnormal glucose complicating pregnancy, childbirth and the puerperium

• gestational diabetes (O24.4-)

O99.810

Abnormal glucose complicating pregnancy

O99.814

Abnormal glucose complicating childbirth

O99.815

Abnormal glucose complicating the puerperium

O99.82

Streptococcus B carrier state complicating pregnancy, childbirth and the puerperium

• Carrier of streptococcus group B (GBS) in a nonpregnant woman (Z22.330)

O99.820

Streptococcus B carrier state complicating pregnancy

O99.824

Streptococcus B carrier state complicating childbirth

O99.825

Streptococcus B carrier state complicating the puerperium

O99.83

Other infection carrier state complicating pregnancy, childbirth and the puerperium

O99.830

Other infection carrier state complicating pregnancy

O99.834

Other infection carrier state complicating childbirth

O99.835

Other infection carrier state complicating the puerperium

O99.84

Bariatric surgery status complicating pregnancy, childbirth and the puerperium

• Gastric banding status complicating pregnancy, childbirth and the puerperium
• Gastric bypass status for obesity complicating pregnancy, childbirth and the puerperium
• Obesity surgery status complicating pregnancy, childbirth and the puerperium

O99.840

Bariatric surgery status complicating pregnancy, unspecified trimester

O99.841

Bariatric surgery status complicating pregnancy, first trimester

O99.842

Bariatric surgery status complicating pregnancy, second trimester

O99.843

Bariatric surgery status complicating pregnancy, third trimester

O99.844

Bariatric surgery status complicating childbirth

O99.845

Bariatric surgery status complicating the puerperium

O99.89

Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium