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Depression, Bipolar & Mood Disorders • ICD-10-CM F34.9

Persistent mood [affective] disorder

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM F34.9 • 7 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Persistent mood [affective] disorder Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

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What Is Persistent mood [affective] disorder?

Persistent mood [affective] disorder is an ICD-10-CM indexed diagnosis (F34.9) within Depression, Bipolar & Mood Disorders. Clinical evaluation centers on sleep-wake rhythm assessment [Persistent mood [affective] disorder F34.9] alongside serial Serum Vitamin D in Persistent mood [affective] disorder (F34.9: & RBC Folate) tracking (25(OH)D 40 – 65 ng/mL (F34.9)) to guide individualized care.

Pathophysiology, Underlying Causes & Clinical Presentation

At the cellular and tissue level in depression & mood, Persistent mood [affective] disorder (F34.9) involves prefrontal-limbic circuit dysregulation [Persistent mood [affective] disorder F34.9]. progression correlates with shifts in Serum Vitamin D in Persistent mood [affective] disorder (F34.9: & RBC Folate) (25(OH)D 40 – 65 ng/mL (F34.9)).

Common Symptoms & Clinical Signs

  • • Presentation of Persistent mood [affective] disorder (F34.9): disrupted sleep architecture [Persistent mood [affective] disorder F34.9]
  • • Secondary Persistent mood [affective] disorder clinical sign: slowed concentration, indecisiveness, in Persistent mood [affective] disorder (F34.9: and physical heaviness)
  • • Symptom flares in Persistent mood [affective] disorder correlating with Serum Vitamin D in Persistent mood [affective] disorder (F34.9: & RBC Folate) deviation outside 25(OH)D 40 – 65 ng/mL (F34.9)
  • • Functional depression & mood impact requiring sleep-wake rhythm assessment [Persistent mood [affective] disorder F34.9] evaluation (F34.9)

Persistent mood [affective] disorder Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code F34.9 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Depression, Bipolar & Mood Disorders NLM Clinical Tables
Diagnostic / Lab Marker: Serum Vitamin D in Persistent mood [affective] disorder (F34.9: & RBC Folate) 25(OH)D 40 – 65 ng/mL (F34.9) Clinical Reference Target Range
Diagnostic / Lab Marker: PHQ-9 Symptom Severity in Persistent mood [affective] disorder (F34.9: Score) < 4 (clinical remission) (F34.9) Clinical Reference Target Range
Diagnostic / Lab Marker: TSH & Free in Persistent mood [affective] disorder (F34.9: T4 Rule-Out) TSH 0.8 – 2.5 mIU/L (F34.9) Clinical Reference Target Range
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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Persistent mood [affective] disorder)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Incidence of tardive dyskinesia in the study of pharmacotherapy for psychotic: What a 259-Participant Study Found

The incidence of TD was relatively low in both younger and older patients with depression with psychotic features treated acutely with olanzapine.

Journal of clinical psychopharmacology • 2013-06-15 • Randomized Controlled Trial
N = 259 93/100 PMID 23609383 ↗
New Insights on A Decision-Support System to Personalize Antidepressant Treatment in depression:: What a 540-Participant Study Found

Of the 520 eligible participants, 493 were included in the primary analysis (median age, 35 [IQR, 25 to 48] years; 58% female; PHQ-9 mean score, 16.6 [SD, 5.1]; GAD-7 mean score, 11.5 [SD, 4.1]).

JAMA • 2026-04-14 • Randomized Controlled Trial
N = 540 93/100 PMID 41779422 ↗
New Insights on Benefits and safety of Once-Daily Vilanterol/Fluticasone furoate MDI in: What a 330-Participant Study Found

Once daily VI/FF pMDI was non-inferior to twice daily FOR/FP pMDI in patients with persistent asthma.

The Journal of asthma : official journal of the Association for the Care of Asthma • 2024-10-15 • Phase III Randomized Trial
N = 330 93/100 PMID 38488853 ↗
What the Latest Evidence Really Says About Vasodilators for persistent lung high blood pressure of the newborn: A network

Milrinone, Sildenafil, and Sildenafil_Milrinone reduced the mortality of neonates with PPHN.

Pediatric pulmonology • 2024-12-15 • Meta-Analysis
Multi-cohort 92/100 PMID 39193897 ↗
New Insights on Effect-size seed-based d mapping of resting-state fMRI for persistent trouble: What a 951-Participant Study Found

The altered functional networks in patients with persistent trouble sleeping disorder converge in median cingulate/paracingulate gyri and right parahippocampal gyrus with increased activity, and cerebellum and superior frontal...

Sleep & breathing = Schlaf & Atmung • 2020-06-15 • Meta-Analysis
N = 951 91/100 PMID 31865507 ↗
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