O41
Non-Billable

Other disorders of amniotic fluid and membranes

Non-Billable / Non-Specific Code

What is Other disorders of amniotic fluid and membranes?

ICD-10-CM O41 is the diagnosis code for Other disorders of amniotic fluid and membranes. This code falls under the section "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for O41

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as O41. They are mutually exclusive:

  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

ICD-10-CM Code Hierarchy

Understanding where O41 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
O41.0OligohydramniosNon-BillableO41.00Oligohydramnios, unspecified trimesterBillableO41.01Oligohydramnios, first trimesterBillableO41.02Oligohydramnios, second trimesterBillableO41.03Oligohydramnios, third trimesterBillableO41.1Infection of amniotic sac and membranesNon-BillableO41.10Infection of amniotic sac and membranes, unspecifiedNon-BillableO41.101Infection of amniotic sac and membranes, unspecified, first trimesterBillableO41.102Infection of amniotic sac and membranes, unspecified, second trimesterBillableO41.103Infection of amniotic sac and membranes, unspecified, third trimesterBillableO41.109Infection of amniotic sac and membranes, unspecified, unspecified trimesterBillableO41.12ChorioamnionitisNon-BillableO41.121Chorioamnionitis, first trimesterBillableO41.122Chorioamnionitis, second trimesterBillableO41.123Chorioamnionitis, third trimesterBillableO41.129Chorioamnionitis, unspecified trimesterBillableO41.14PlacentitisNon-BillableO41.141Placentitis, first trimesterBillableO41.142Placentitis, second trimesterBillableO41.143Placentitis, third trimesterBillableO41.149Placentitis, unspecified trimesterBillableO41.8Other specified disorders of amniotic fluid and membranesNon-BillableO41.8XOther specified disorders of amniotic fluid and membranesNon-BillableO41.8X1Other specified disorders of amniotic fluid and membranes, first trimesterBillableO41.8X2Other specified disorders of amniotic fluid and membranes, second trimesterBillableO41.8X3Other specified disorders of amniotic fluid and membranes, third trimesterBillableO41.8X9Other specified disorders of amniotic fluid and membranes, unspecified trimesterBillableO41.9Disorder of amniotic fluid and membranes, unspecifiedNon-BillableO41.90Disorder of amniotic fluid and membranes, unspecified, unspecified trimesterBillableO41.91Disorder of amniotic fluid and membranes, unspecified, first trimesterBillableO41.92Disorder of amniotic fluid and membranes, unspecified, second trimesterBillableO41.93Disorder of amniotic fluid and membranes, unspecified, third trimesterBillable
Related Codes

Frequently Asked Questions

Is O41 a billable ICD-10-CM code?

No, O41 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O41 mean?

O41 is the ICD-10-CM diagnosis code for "Other disorders of amniotic fluid and membranes". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is O41 in?

O41 is located in Section O30-O48 — "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O41?

O41 has 4 sub-code(s) that provide more specific detail: O41.0, O41.1, O41.8, O41.9.

When should I use O41?

Use O41 when the patients documented diagnosis matches "Other disorders of amniotic fluid and membranes" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other disorders of amniotic fluid and membranes?

The ICD-10-CM code for Other disorders of amniotic fluid and membranes is O41.

Can O41 be used for primary diagnosis?

No, O41 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O41 in?

O41 is in Chapter 15 of the ICD-10-CM Tabular List.

What conditions are excluded from O41?

Type 1 Excludes for O41 include: encounter for suspected maternal and fetal conditions ruled out (Z03.7-).

Is O41 valid for 2026?

Yes, O41 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO40.9Polyhydramnios, unspecified trimesterNext →O41.0Oligohydramnios
Code Details
O41
Other disorders of amniotic fluid and membranes
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems
2026 ICD-10-CM