|  O35 |  | Maternal care for known or suspected fetal abnormality and damage   | 
	
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		| Includes | the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy 
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		| CodeAlso | any associated maternal condition 
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		| Excludes1 | encounter for suspected maternal and fetal conditions ruled out (Z03.7-) 
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		| char7Note | One of the following 7th characters is to be assigned to each code under category O35.  7th character 0 is for single gestations and multiple gestations where the fetus is unspecified.  7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O35 that has a 7th character of 1 through 9. 
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		| char7Def | 0: not applicable or unspecified 1: fetus 1
 2: fetus 2
 3: fetus 3
 4: fetus 4
 5: fetus 5
 9: other fetus
 
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		|  O35.0 |  | Maternal care for (suspected) central nervous system malformation in fetus |  
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		| Excludes2 | chromosomal abnormality in fetus (O35.1-) 
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		|  O35.00 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified |  |  |  |  | 
	
		|  O35.01 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosum |  |  |  |  | 
	
		|  O35.02 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephaly |  |  |  |  | 
	
		|  O35.03 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cysts |  |  |  |  | 
	
		|  O35.04 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocele |  |  |  |  | 
	
		|  O35.05 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephaly |  |  |  |  | 
	
		|  O35.06 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephaly |  
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| Maternal care for fetal hydrocephalus |  |  |  |  |  | 
	
		|  O35.07 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephaly |  |  |  |  | 
	
		|  O35.08 |  | Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifida |  |  |  |  | 
	
		|  O35.09 |  | Maternal care for (suspected) other central nervous system malformation or damage in fetus |  |  | 
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		|  O35.1 |  | Maternal care for (suspected) chromosomal abnormality in fetus |  |  |  | 
	
		|  O35.10 |  | Maternal care for (suspected) chromosomal abnormality in fetus, unspecified |  |  |  |  | 
	
		|  O35.11 |  | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 13 |  |  |  |  | 
	
		|  O35.12 |  | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18 |  |  |  |  | 
	
		|  O35.13 |  | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 21 |  |  |  |  | 
	
		|  O35.14 |  | Maternal care for (suspected) chromosomal abnormality in fetus, Turner Syndrome |  |  |  |  | 
	
		|  O35.15 |  | Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality |  |  |  |  | 
	
		|  O35.19 |  | Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality |  |  | 
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		|  O35.A |  | Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies |  | 
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		|  O35.B |  | Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies |  | 
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		|  O35.C |  | Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies |  | 
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		|  O35.D |  | Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies |  | 
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		|  O35.E |  | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies |  | 
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		|  O35.F |  | Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk |  
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		| Excludes2 | maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies (O35.H) maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies (O35.G)
 
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		|  O35.G |  | Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies |  | 
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		|  O35.H |  | Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies |  | 
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		|  O35.2 |  | Maternal care for (suspected) hereditary disease in fetus |  
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		| Excludes2 | chromosomal abnormality in fetus (O35.1-) 
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		|  O35.3 |  | Maternal care for (suspected) damage to fetus from viral disease in mother |  
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| Maternal care for damage to fetus from maternal cytomegalovirus infection |  | Maternal care for damage to fetus from maternal rubella |  |  | 
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		|  O35.4 |  | Maternal care for (suspected) damage to fetus from alcohol |  | 
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		|  O35.5 |  | Maternal care for (suspected) damage to fetus by drugs |  
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| Maternal care for damage to fetus from drug addiction |  |  | 
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		|  O35.6 |  | Maternal care for (suspected) damage to fetus by radiation |  | 
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		|  O35.7 |  | Maternal care for (suspected) damage to fetus by other medical procedures |  
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| Maternal care for damage to fetus by amniocentesis |  | Maternal care for damage to fetus by biopsy procedures |  | Maternal care for damage to fetus by hematological investigation |  | Maternal care for damage to fetus by intrauterine contraceptive device |  | Maternal care for damage to fetus by intrauterine surgery |  |  | 
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		|  O35.8 |  | Maternal care for other (suspected) fetal abnormality and damage |  
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| Maternal care for damage to fetus from maternal listeriosis |  | Maternal care for damage to fetus from maternal toxoplasmosis |  |  | 
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		|  O35.9 |  | Maternal care for (suspected) fetal abnormality and damage, unspecified |  |