ICD Code O21.9

ICD code O21.9 is vomiting during pregnancy that is not specified as mild or severe.

1. Presence of persistent vomiting during pregnancy

2. Onset of symptoms after conception

3. Vomiting not attributable to other medical conditions (e.g., gastrointestinal disorders, infections)

4. No evidence of dehydration, electrolyte imbalance, or weight loss severe enough to meet criteria for hyperemesis gravidarum

5. Absence of specific complications or underlying causes identified through clinical evaluation

6. Symptoms not fitting more specific diagnostic categories related to pregnancy-associated vomiting

Relevant CPT codes that may be used to treat ICD code O21.9 include:

- 99202–99215 (Evaluation and Management office or outpatient visits)

- 96360–96361 (Intravenous infusion, hydration)

- 96365–96366 (Intravenous infusion, therapeutic, prophylactic, or diagnostic)

- 36415 (Collection of venous blood by venipuncture)

- 80048, 80053 (Basic or comprehensive metabolic panel)

- 87086 (Urine culture, bacterial)

- 81001–81003 (Urinalysis)

- 96372 (Therapeutic, prophylactic, or diagnostic injection)

- J2790 (Injection, promethazine HCl)

- J2405 (Injection, ondansetron HCl)

- J1940 (Injection, furosemide)

- J3420 (Injection, vitamin B12)

These CPT codes should be selected based on the specific services rendered for ICD code O21.9.

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