2027 ICD-10-CM Diagnosis Code P61.9Perinatal hematological disorder, unspecified
ICD-10-CM Codes›P00–P96›P50-P61›P61
- Billable — Valid for Submission
- Not Chronic
P61.9 is a billable ICD-10-CM diagnosis code for perinatal hematological disorder, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 794. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Hemorrhagic and hematologic disorders of newborn.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Abnormal hematopoiesis
- Blood disorder treatment changed
- Blood disorder treatment started
- Bone marrow disorder
- Cytopenia caused by drug
- Disorder of cellular component of blood in newborn
- Disorder of hematopoietic morphology
- Disorder of hematopoietic structure
- Extramedullary hematopoiesis
- Extramedullary myelopoiesis
- Glomerular disease due to hematological disease
- Hematologic complication of procedure
- Neonatal disorder of hematopoietic system
- Non-anemic red cell disorder
- Paraneoplastic neuropathy
- Plasma cell dyscrasia with polyneuropathy
- Red blood cell disorder
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to P61.9: its own notes plus those printed at P61, block P50-P61, and Chapter 16. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- transient hypogammaglobulinemia of infancy (D80.7)
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Notes
General instructions on how these codes are used.
- Codes from this chapter are for use on newborn records only, never on maternal records
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name P61.9, its category, or a range that includes it.
Excludes2 1
These codes carry an Excludes2 note naming P61.9: its condition is not part of those codes, and both may be reported when the patient has both.
- Block R70-R79 Abnormal findings on examination of blood, without diagnosis
Index to Diseases and InjuriesGuidance
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Blood Disorders
Your blood is living tissue made up of liquid and solids. The liquid part, called plasma, is made of water, salts and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells and platelets.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert P61.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About P61.9Overview
What is the ICD-10 code for perinatal hematological disorder, unspecified?
The ICD-10-CM code for perinatal hematological disorder, unspecified is P61.9 (sometimes written as P619). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is P61.9 (Other perinatal hematological disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report perinatal hematological disorder, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does P61.9 group to?
When perinatal hematological disorder, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 794 (neonate with Other Significant Problems), which carries a relative weight of 1.4934. Higher weights mean higher Medicare reimbursement.
Can P61.9 be reported with D80.7?
Not as a rule. The Excludes1 note at P61, which applies to P61.9, lists "transient hypogammaglobulinemia of infancy (D80.7)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of P61.9?
Under the General Equivalence Mappings, perinatal hematological disorder, unspecified converts to ICD-9-CM 776.9 (NB hematological dis NOS). The mapping is a direct match.
